{"title":"Alum \u0026 Iron Mordants","description":"\u003cp\u003eAlum and iron are the two essential metal mordants in natural dyeing and eco printing. \u003ca href=\"\/de\/products\/aluminium-potassium-sulphate-mordant-modifiers\"\u003ePotassium alum\u003c\/a\u003e keeps colors clear and bright on wool, silk, cotton and linen. \u003ca href=\"\/de\/products\/iron-ferrous-sulphate\"\u003eIron (ferrous sulphate)\u003c\/a\u003e is used in small amounts to \"sadden\" colors: yellows turn olive, reds turn plum and tannins turn grey or black. The \u003ca href=\"\/de\/products\/cellulose-mordant-kit-cotton-linen\"\u003ecellulose mordant studio kit\u003c\/a\u003e bundles the steps for plant fibers.\u003c\/p\u003e\n\u003ch2\u003eHow to mordant with alum\u003c\/h2\u003e\n\u003cp\u003eWeigh your dry fiber, dissolve alum (typically 10–15% of fiber weight for wool, often with \u003ca href=\"\/de\/products\/cream-of-tartar\"\u003ecream of tartar\u003c\/a\u003e) in hot water, add the wet fiber and heat gently for about an hour. For cotton and linen, apply a \u003ca href=\"\/de\/collections\/natural-tannins\"\u003etannin\u003c\/a\u003e first, then alum.\u003c\/p\u003e\n\u003ch2\u003eUsing iron as a modifier\u003c\/h2\u003e\n\u003cp\u003eAdd iron after dyeing in a separate, weak bath, at 1–2% of fiber weight. In eco printing, a light iron blanket or dip makes leaf prints darker and sharper. Too much iron can make wool harsh, so start low and rinse well.\u003c\/p\u003e\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003ch3\u003eCan I use alum and iron together?\u003c\/h3\u003e\n\u003cp\u003eYes. Alum is the base mordant, and iron is used afterwards as a modifier to darken and deepen color.\u003c\/p\u003e\n\u003ch3\u003eIs iron safe for wool and silk?\u003c\/h3\u003e\n\u003cp\u003eIn small amounts, yes. Keep the bath weak and the time short to protect protein fibers.\u003c\/p\u003e\n\u003ch3\u003eWhich alum is best for cotton?\u003c\/h3\u003e\n\u003cp\u003ePotassium alum works well after a tannin bath. The cellulose mordant kit gives you a tested method for cotton and linen.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eExplore more:\u003c\/strong\u003e \u003ca href=\"\/de\/collections\/mordants-and-assists\"\u003eAll Mordants \u0026amp; Assists\u003c\/a\u003e · \u003ca href=\"\/de\/collections\/dye-assists-and-modifiers\"\u003eDye Assists \u0026amp; Modifiers\u003c\/a\u003e\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Can I use alum and iron together?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. Alum is the base mordant, and iron is used afterwards as a modifier to darken and deepen color.\"}}, {\"@type\": \"Question\", \"name\": \"Is iron safe for wool and silk?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"In small amounts, yes. Keep the bath weak and the time short to protect protein fibers.\"}}, {\"@type\": \"Question\", \"name\": \"Which alum is best for cotton?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Potassium alum works well after a tannin bath. The cellulose mordant kit gives you a tested method for cotton and linen.\"}}]}\u003c\/script\u003e","products":[{"product_id":"iron-ferrous-sulphate","title":"Eiseneisensulfat","description":"\u003cmeta charset=\"utf-8\"\u003e\n\u003cdiv data-mce-fragment=\"1\" class=\"wt-mb-xs-2\"\u003e\n\u003cdiv data-mce-fragment=\"1\" data-component=\"listing-page-title-component\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003eEisen (Eisensulfat) wird allein als Beizmittel verwendet, um die Farben zu beeinflussen und die Lichtechtheit zu erhöhen, wenn es in Kombination mit anderen natürlichen Farbstoffen verwendet wird.\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\" data-component=\"listing-page-title-component\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\" class=\"wt-mb-xs-3\" data-buy-box-region=\"price\"\u003e\n\u003cdiv data-mce-fragment=\"1\" class=\"wt-display-flex-xs wt-align-items-center wt-justify-content-space-between\"\u003e\n\u003cdiv data-mce-fragment=\"1\" class=\"wt-display-flex-xs wt-align-items-center wt-justify-content-space-between wt-width-full\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"themazi","offers":[{"title":"50 gr","offer_id":37076109983901,"sku":"IRON50","price":5.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0402\/1990\/2109\/products\/IMG_6402.jpg?v=1635021433"},{"product_id":"aluminium-potassium-sulphate-mordant-modifiers","title":"Aluminiumkaliumsulfat (Alaun)","description":"\u003ch3\u003e\u003cstrong\u003eAlaun, Aluminiumkaliumsulfat für den natürlichen Färbeprozess \u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eAluminiumkaliumsulfat, Trivialname Alaun, auch als Kaliumaluminiumsulfat (PAS) bekannt, ist ein Beizmittel, das beim Färben aller Textilien – Baumwolle, Wolle, Seide usw. – verwendet werden kann. Für Zellulosefasern wie Baumwolle, Leinen, Hanf, Bambus, es Es ist hilfreich, vor dem Alaunschritt mit einem Tannin zu behandeln. Sie finden unseren Blog zum Thema Scheuern und Beizen \u003ca style=\"font-weight: 400;\" href=\"https:\/\/themazi.com\/blogs\/news\/how-to-prepare-fiber-fabric-for-natural-dyeing\"\u003ehier \u003c\/a\u003e\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003evor dem Färben mit Naturfarben.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eBeizmittel sind hilfreich, damit die Farben aus natürlichen Pflanzenfarbstoffen auf der Faser fixiert werden und kräftigere Farben erzeugen. Sie tragen auch zur Verbesserung der Licht- und Waschechtheit der Farbstoffe bei. Die Verwendung unterschiedlicher Beizen mit derselben Faser kann auch zu unterschiedlichen Farbtönen aus demselben Färbebad führen.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eUm Alaun allein zu verwenden – lösen Sie Alaun in heißem Wasser auf, geben Sie dann gesäuerte Stoffe\/Fasern in das Beizbad und lassen Sie es mehrere Stunden oder über Nacht stehen, wobei Sie gelegentlich umrühren. Es wird empfohlen, Alaun zwischen 10 und 15 % des Faser-\/Gewebegewichts (WOF) zu verwenden.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003eSuche: Alaun | Kaliumaluminiumsulfat |PAS |Natürlicher Farbstoff | Natürliches Tannin | Botanischer Farbstoff | Natürlicher Farbstoff | Farbstoff auf pflanzlicher Basis | Wie man Baumwolle färbt | Wolle färben | Natürliche Beize | Natürlich gefärbter Stoff \u003c\/b\u003e\u003c\/p\u003e","brand":"themazi","offers":[{"title":"Crystals \/ 100 g (3.5 oz)","offer_id":44226202075370,"sku":"","price":7.9,"currency_code":"USD","in_stock":true},{"title":"500 gr","offer_id":43365180244202,"sku":"","price":18.9,"currency_code":"USD","in_stock":true},{"title":"Crystals \/ 1 kg (2.2 lb)","offer_id":44226202108138,"sku":"","price":28.9,"currency_code":"USD","in_stock":true},{"title":"Powder \/ 100 g (3.5 oz)","offer_id":45856244138218,"sku":null,"price":8.9,"currency_code":"USD","in_stock":true},{"title":"Powder \/ 500 gr","offer_id":45856244170986,"sku":null,"price":19.9,"currency_code":"USD","in_stock":true},{"title":"Powder \/ 1 kg (2.2 lb)","offer_id":45856244203754,"sku":null,"price":29.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0402\/1990\/2109\/files\/themazi-alum-potassium-aluminium-sulphate-mordant-dye-assistant.jpg?v=1771528782"},{"product_id":"cellulose-mordant-kit-cotton-linen","title":"Cellulose Mordant Studio Kit","description":"\u003cdiv\u003e\u003cspan\u003eA complete mordanting kit for cotton, linen and other cellulose fibers.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eDesigned around our recommended mordanting ratios, this kit contains the materials needed to prepare up to approximately 4 kg (8.8 lb) of cellulose fiber for natural dyeing.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eINCLUDED:\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e• 400 g White Oak Gall Powder (Tannin)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e• 600 g Alum Powder\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e• 100 g Sodium Carbonate (Soda Ash)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eWHY THIS KIT:\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e• Correctly balanced quantities — no guesswork\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e• Suitable for cotton, linen, hemp and other cellulose fibers\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e• Enough materials for up to approximately 4 kg (8.8 lb) of fiber\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e• Better value than purchasing the components separately\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e• Ideal for natural dyers, textile studios and small-batch production\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eHOW IT WORKS:\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e1. Pre-treat the cellulose fiber with White Oak Gall tannin.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e2. Mordant with alum.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e3. Use soda ash as directed in the mordanting process.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e4. Continue with your chosen natural dye.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eThe exact amount of fiber that can be treated may vary depending on the recipe, fiber type and process used.\u003c\/span\u003e\u003c\/div\u003e","brand":"themazi","offers":[{"title":"Default Title","offer_id":46226899435754,"sku":null,"price":72.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0402\/1990\/2109\/files\/THEMAZ_Cellulose_Mordant_Studio_Kit_for_cotton_linen_and_other_cellulose_fibers.webp?v=1788363056"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0402\/1990\/2109\/collections\/alum-crystals-potassium-aluminium-sulphate-bowl-themazi.jpg?v=1792531451","url":"https:\/\/themazi.com\/de\/collections\/alum-iron-mordants.oembed","provider":"themazi","version":"1.0","type":"link"}