{"product_id":"aluminium-sulfate","title":"Aluminium Sulfate","description":"\u003ch2\u003e\u003cspan\u003eAluminium Sulfate\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eAluminium sulfate is an aluminium-based mordant used in natural dyeing and other textile applications. It helps many plant dyes bond more effectively with fibers, improving colour development and durability.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt can be used in carefully tested mordanting processes for both protein and cellulose fibers. Because aluminium sulfate produces an acidic solution, recipes should be tested on a small sample before treating valuable textiles. Always follow a suitable recipe for the fiber and dyestuff being used.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eImportant distinction\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThis product is \u003c\/span\u003ealuminium sulfate\u003cspan\u003e, not potassium aluminium sulfate—commonly known as potash alum or simply “alum.” Although both supply aluminium ions, they are chemically different and should not be substituted at the same weight without adjusting the recipe.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eHow to apply Aluminium Sulfate\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003eUse approximately 8% WOF as a starting point; 8 g of aluminium sulfate for every 100 g of dry fiber.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDissolve completely in warm water. Add the pre-wetted textile and heat gently for 45–60 minutes without boiling. Allow the bath to cool, then rinse lightly before dyeing.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFor cellulose fibers such as cotton and linen, apply after a tannin treatment for improved fixation. Always test on a small sample and adjust the amount according to the fiber, dyestuff and desired result.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSupplied in a plastic container.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eNet weight:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 250 g\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eHS code:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 2833.22\u003c\/span\u003e\u003c\/p\u003e","brand":"Natural Dye Store","offers":[{"title":"250 grams","offer_id":54147334439023,"sku":"AL.SULF.250","price":12.9,"currency_code":"USD","in_stock":true}],"url":"https:\/\/naturaldyestore.com\/ru\/products\/aluminium-sulfate","provider":"Natural Dye Store","version":"1.0","type":"link"}