{"product_id":"myrobalan-tannin","title":"MYROBALAN TANNIN","description":"\u003ch1\u003e\u003cspan\u003eMyrobalan – Natural Tannin \u0026amp; Yellow Dye\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp\u003e\u003cem\u003e\u003cspan\u003eTerminalia chebula Retz. · Whole or Ground\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMyrobalan is the dried, tannin-rich fruit of \u003c\/span\u003e\u003cem\u003e\u003cspan\u003eTerminalia chebula\u003c\/span\u003e\u003c\/em\u003e\u003cspan\u003e, sourced from India and available in whole or ground form.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWidely used in Indian and Asian textile traditions, Myrobalan is particularly suited to cotton, linen, hemp and other cellulose fibres. The same complete two-stage tannin process can produce shades ranging from light beige and butter yellow to rich, vibrant yellow, depending on the quantity used.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMyrobalan can be used as a yellow colour, as the first stage of cellulose mordanting, in textile printing, with iron for greys and charcoal, or after indigo to create green and teal.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUnlike Tara or oak gall, Myrobalan introduces a noticeable yellow base. This can become part of the finished colour or add warmth and depth beneath another natural dye.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eAt a glance\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eFeature\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBotanical name\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cem\u003e\u003cspan\u003eTerminalia chebula\u003c\/span\u003e\u003c\/em\u003e\u003cspan\u003e Retz.\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCommon names\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMyrobalan, chebulic Myrobalan, haritaki\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePlant part\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDried fruit and fruit pericarp\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOrigin\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIndia\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eForms\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eWhole or ground\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMaterial\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRaw botanical material - not a concentrated extract\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMain components\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHydrolysable tannins, including chebulagic and chebulinic acids\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePrimary use\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eTannin treatment and yellow colour for cellulose fibres\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eColour range\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eLight beige, butter yellow, warm yellow and vibrant yellow\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eAfter indigo\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eGreen, blue-green and teal\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eWith iron\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eGreen-grey, grey, charcoal and black\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSuitable fibres\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCotton, linen, hemp and other cellulose fibres\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOther uses\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eTextile printing and historical dye processes\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSolubility\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eTannins extract into water; botanical material remains insoluble\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003e\u003cspan\u003eWhat is Myrobalan?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eMyrobalan is the dried fruit of \u003c\/span\u003e\u003cem\u003e\u003cspan\u003eTerminalia chebula\u003c\/span\u003e\u003c\/em\u003e\u003cspan\u003e, a deciduous tree belonging to the Combretaceae family.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe fruit is naturally rich in hydrolysable tannins, including chebulagic acid, chebulinic acid, gallic acid and ellagic compounds.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMyrobalan has a long history of use in India and throughout Asia for tanning, preparing cellulose fibres, dyeing and textile printing. Its natural affinity for cellulose makes it particularly valuable for cotton and linen.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis product is raw whole or ground Myrobalan rather than a purified or concentrated extract.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eMyrobalan as tannin and colour\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eMyrobalan serves two connected purposes: it introduces tannin into cellulose fibres and creates a visible yellow colour.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe colour is developed through the complete two-stage tannin process. A separate heated dye bath is not required.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDepending on the quantity used, Myrobalan can produce:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eLight beige at lower percentages\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSoft butter yellow\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eWarm botanical yellow\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eRich, vibrant yellow at higher percentages\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eThe yellow background can be used as the finished colour or incorporated into a layered natural-dye process.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBecause Myrobalan produces more colour than Tara or oak gall, it should be selected with the intended final shade in mind.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eWhy cellulose fibres need two mordanting stages\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eCotton, linen and other cellulose fibres do not naturally form a strong bond with aluminium mordants.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eOur cellulose preparation therefore uses two complementary stages:\u003c\/span\u003e\u003c\/p\u003e\n\u003col start=\"1\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eA tannin treatment with Myrobalan\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eA second mordanting treatment using alum with soda ash, aluminium acetate or aluminium lactate\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cspan\u003eThe tannin stage and aluminium stage work together. Tannin by itself does not complete the mordanting process, and the aluminium treatments are not sufficient by themselves either.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDuring the first stage, the tannin is held by the cellulose fibre through affinity. It can still be removed by aggressive rinsing.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDuring the second stage, the tannins are converted into insoluble tannates within the fibre. This completes the mordanting process and develops the durable Myrobalan base used for dyeing or as a colour in its own right.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eUnderstanding the possible colours\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe amount of Myrobalan used has a direct influence on the depth of yellow.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAs a starting point:\u003c\/span\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eMyrobalan quantity\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003ePossible result\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e10% WOF\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eLight beige to pale creamy yellow\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e20–30% WOF\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eButter yellow to warm yellow\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e40–60% WOF\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eStronger golden or vibrant yellow\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cspan\u003eWOF means weight of dry fibre. For example, 20% WOF is 20g Myrobalan for 100g dry fibre.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThese quantities are starting points rather than guaranteed colour standards. Results depend on:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eThe natural strength of the Myrobalan\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eWhole or ground form\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFibre type\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eScouring\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDuration of the tannin treatment\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eThe second mordanting stage\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eWater chemistry\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eRinsing and finishing\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eAlways sample when working towards a particular yellow.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eChoosing a form\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eWhole Myrobalan\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSuitable for traditional processes and longer cold extractions\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMust be crushed or broken before use\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eProduces less loose dust\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eEasier to contain and strain\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eRequires a longer soak than ground material\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eNaturally varies in size, shape and colour\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eGround Myrobalan\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eProvides greater surface area\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eReleases tannin and colour more readily\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSuitable for cool tannin baths and printing preparations\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eProduces more botanical sediment\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eShould be mixed into a smooth paste before being added to the bath\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eRequires care to avoid creating airborne dust\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eWhole and ground Myrobalan are the same raw botanical material. Ground Myrobalan is not a concentrated extract.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eSuggested Myrobalan process\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eStage one: Myrobalan tannin and colour\u003c\/span\u003e\u003c\/h3\u003e\n\u003col start=\"1\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eScour:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Scour the cotton, linen or other cellulose fibre thoroughly to remove oils, waxes, sizing and processing residues.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eWeigh:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Weigh the dry fibre and calculate the amount of Myrobalan required for the desired depth of yellow.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePrepare:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Crush whole Myrobalan thoroughly. Mix ground Myrobalan into a smooth paste with a small amount of water.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eFill the bath:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Use approximately 30 parts water to one part dry fibre. Use cold water or water no warmer than 30°C.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eAdd the Myrobalan:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Stir until the material is evenly distributed.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eAdd the fibre:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Add the thoroughly wetted textile and ensure that it is completely immersed.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eTreat:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Leave for at least 1–2 hours and up to 24 hours, moving the textile occasionally.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eRemove:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Wearing gloves, remove the textile and gently squeeze or spin out the excess liquid.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDo not rinse:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Tannin is held initially by affinity and can be removed by aggressive rinsing.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDo not dry:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Proceed to the second mordanting stage while the textile remains damp.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cspan\u003eA longer cold soak is particularly useful when working with whole or coarsely crushed Myrobalan.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eStage two: Complete the mordanting process\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eComplete the process with one of the following:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAlum with soda ash\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAluminium acetate\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAluminium lactate\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eFor our alum and soda ash method, use:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e12% WOF alum\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e1.5% WOF soda ash\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eDissolve the alum and soda ash separately. Allow the solutions to cool and combine them carefully while stirring.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAdd the damp, Myrobalan-treated textile and leave for a minimum of two hours and up to 24 hours.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAfter the second stage, rinse the textile thoroughly to remove any unattached mordant.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe textile may then be used as the finished yellow colour, dyed immediately or dried for future use.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDyeing cotton, linen or another cellulose fibre? \u003c\/span\u003e\u003ca href=\"https:\/\/appleoakfibreworks.com\/blogs\/news\/how-to-mordant-linen-and-cotton-fabrics-successfully\"\u003e\u003cspan\u003eFind our complete cellulose mordanting guide here.\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eWorking with indigo\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eAlways apply indigo first and follow it with Myrobalan.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis order prevents tannin, plant particles and yellow colour from being carried into and contaminating the indigo vat.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSuggested order:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col start=\"1\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eScour the cellulose textile thoroughly.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDye it in a properly prepared indigo vat.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eOxidise and rinse the indigo-dyed textile thoroughly.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eApply Myrobalan using the cool tannin process.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eComplete the second mordanting stage with alum and soda ash, aluminium acetate or aluminium lactate.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eRinse and finish the textile.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cspan\u003eThe combination can produce:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFresh botanical green\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eOlive-green\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eBlue-green\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDeep teal\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eThe final shade depends on the depth of the indigo and the amount of Myrobalan used.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA deeper indigo base with a lighter Myrobalan treatment generally produces blue-green or teal. A lighter blue base followed by a stronger yellow can produce a clearer green.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNever place Myrobalan-treated or unrinsed tannin-rich textiles into an indigo vat.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eUsing Myrobalan with iron\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eMyrobalan reacts strongly with iron to produce green-grey, grey, charcoal and black.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFor an iron-tannate colour, apply the Myrobalan treatment first and follow it with a carefully measured iron bath. This is a separate colour process and does not require the alum stage.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBegin with a low percentage of iron. The colour can change rapidly, and excessive iron may dull or weaken cellulose fibres over time.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFor a complete method, see our downloadable recipe:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/appleoakfibreworks.com\/collections\/recipes\/products\/myrobalan-dye-instructions-for-cotton-linen-pdf\"\u003e\u003cspan\u003eMyrobalan Dye Instructions for Cotton and Linen\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003ePrinting with Myrobalan\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eMyrobalan has a long history in textile printing, particularly on cotton.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt may be used to introduce tannin and yellow colour into the cloth before printing, or in processes where the tannin later reacts with aluminium or iron.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eGround Myrobalan contains insoluble fruit particles. It may need to be extracted, settled and finely strained before being combined with a printing thickener.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe exact preparation depends on:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eThe printing method\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eThe thickener\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eThe chosen mordant\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eThe desired colour\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eWhether the textile will be overdyed or modified after printing\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eAlways test the printing paste for flow, penetration, colour development and washout before beginning an important piece.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eTips from the dye pot\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eTip\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eScour thoroughly\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eOils, waxes and sizing can prevent even tannin, mordant and colour uptake.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eKeep the bath cool\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHeat can oxidise the tannins and produce browner or duller results.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eUse more for stronger yellow\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIncrease the Myrobalan percentage rather than heating the tannin bath.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCrush whole fruits\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eWhole Myrobalan must be broken to expose the tannin-rich fruit material.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMake ground material into a paste\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMixing it with a little water helps prevent dry lumps and floating powder.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eExpect sediment\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eThis is raw ground fruit rather than a fully soluble extract.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eDo not rinse between stages\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAggressive rinsing can remove tannin before it is converted into insoluble tannate.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eDo not dry between stages\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eProceed directly from the Myrobalan bath to the second mordanting stage.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eComplete both stages\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNeither Myrobalan alone nor the aluminium treatment alone completes this cellulose mordanting system.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eApply indigo first\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eFollow indigo with Myrobalan to prevent contamination of the indigo vat.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMeasure iron carefully\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eA small amount of iron can create a substantial colour change.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eKeep records\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNote the form, WOF, duration, mordant, indigo depth and finished colour.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003e\u003cspan\u003eColour and tannin performance\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe complete Myrobalan process can create anything from a light beige base to a vibrant yellow.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe final colour and effectiveness of the cellulose preparation depend on:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eThorough scouring\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eThe amount of Myrobalan used\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCorrect preparation of the whole or ground material\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eEven tannin application\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eKeeping the bath cool\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAvoiding rinsing and drying between stages\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCompletion of the second mordanting stage\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eWater chemistry\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSubsequent dyes or modifiers\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eRinsing, washing and aftercare\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eMyrobalan’s yellow is an active part of the finished colour and should not be treated as a neutral or colourless tannin.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eNatural variation\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThis is a natural botanical material. Colour, fruit size, particle size, tannin strength and colour strength may vary between batches.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhole Myrobalan fruits naturally vary in size, shape and surface texture. Ground material may range from beige and ochre to yellow-brown.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSmall pieces of seed, fruit fibre and other natural plant material may be present.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNatural variation can influence both the yellow colour and the performance of the tannin bath. Always sample before beginning an important or colour-sensitive project.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eStorage and safe handling\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eStore sealed in a cool, dry place away from direct sunlight.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFor textile dyeing, tanning, printing, paper and craft use only.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eNot for consumption or use in food, drinks, cosmetics or herbal preparations.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAvoid creating or breathing dust, particularly when handling ground Myrobalan.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eWork in a well-ventilated area.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eWear suitable respiratory and eye protection when dusty material may become airborne.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAvoid contact with the eyes, mouth and open wounds.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eWear gloves where appropriate.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFollow the safety instructions for alum, soda ash, aluminium acetate, aluminium lactate, iron salts and every other auxiliary used.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eUse dedicated dyeing and printing equipment—never food-preparation utensils.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eKeep away from food and out of reach of children and pets.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eWhat you receive\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eYour chosen net weight of Indian Myrobalan in whole or ground form, supplied in a sealed pouch.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAlum, soda ash, aluminium acetate, aluminium lactate, iron salts, indigo and other dyeing materials are sold separately.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDisplay jars, dyed textiles and photographic props are not included.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eLearn with us\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eJoin \u003c\/span\u003e\u003ca href=\"https:\/\/the-natural-dyers-academy.mn.co\/\"\u003e\u003cspan\u003eThe Natural Dyers \u0026amp; Growers Academy\u003c\/span\u003e\u003c\/a\u003e\u003cspan\u003e to share your results and explore natural colour alongside fellow dyers and growers.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"AppleOak FibreWorks","offers":[{"title":"25g \/ Whole nuts","offer_id":49755294204240,"sku":"87101","price":6.5,"currency_code":"EUR","in_stock":true},{"title":"25g \/ Ground (Powdered) nuts","offer_id":49755294237008,"sku":"87104","price":6.95,"currency_code":"EUR","in_stock":true},{"title":"50g \/ Whole nuts","offer_id":49755294302544,"sku":"87101","price":7.0,"currency_code":"EUR","in_stock":true},{"title":"50g \/ Ground (Powdered) nuts","offer_id":49755294335312,"sku":"87104","price":7.5,"currency_code":"EUR","in_stock":true},{"title":"75g \/ Whole nuts","offer_id":49755294400848,"sku":"87101","price":7.5,"currency_code":"EUR","in_stock":true},{"title":"75g \/ Ground (Powdered) nuts","offer_id":49755294433616,"sku":"87104","price":8.0,"currency_code":"EUR","in_stock":true},{"title":"100g \/ Whole nuts","offer_id":32040741109814,"sku":"87101","price":8.0,"currency_code":"EUR","in_stock":true},{"title":"100g \/ Ground (Powdered) nuts","offer_id":32040741142582,"sku":"87104","price":8.95,"currency_code":"EUR","in_stock":true},{"title":"250g \/ Whole nuts","offer_id":32040741175350,"sku":"87101","price":11.0,"currency_code":"EUR","in_stock":true},{"title":"250g \/ Ground (Powdered) nuts","offer_id":32040741208118,"sku":"87104","price":13.5,"currency_code":"EUR","in_stock":true},{"title":"500g \/ Whole nuts","offer_id":32040741240886,"sku":"87101","price":16.0,"currency_code":"EUR","in_stock":true},{"title":"500g \/ Ground (Powdered) nuts","offer_id":32040741273654,"sku":"87104","price":20.5,"currency_code":"EUR","in_stock":true},{"title":"1kg \/ Whole nuts","offer_id":49755294499152,"sku":"87101","price":26.5,"currency_code":"EUR","in_stock":true},{"title":"1kg \/ Ground (Powdered) nuts","offer_id":49755294531920,"sku":"87104","price":34.5,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0098\/2918\/7641\/files\/Myrobalan_powder_whole.jpg?v=1774365813","url":"https:\/\/appleoakfibreworks.com\/products\/myrobalan-tannin","provider":"AppleOak FibreWorks","version":"1.0","type":"link"}