{"product_id":"pearl-ash-potassium-carbonate-10-pounds-rmpotcar","title":"Pearl Ash (Potassium Carbonate)","description":"\u003cdiv class=\"rm-testing-statement\" style=\"border:2px solid #8a5a00;border-radius:6px;padding:12px 16px;margin:16px 0;background:#fdf6e3;\"\u003e\u003cp style=\"margin:0;\"\u003e\u003cstrong\u003eYou must test before you use it, at any scale.\u003c\/strong\u003e Raw materials, mined or man-made, are not consistent. Color, strength, particle size and chemistry can change from one bag to the next and from one supplier to another, even when the name on the bag stays the same. Before you use this material in a glaze, slip or clay body of any size, mix a small test batch, fire it on your own clay in your own kiln, and check the results.\u003c\/p\u003e\u003c\/div\u003e\n\u003ch2 data-end=\"642\" data-start=\"612\"\u003e\u003cstrong data-end=\"640\" data-start=\"612\"\u003eKey Features \u0026amp; Benefits:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul data-end=\"1326\" data-start=\"643\"\u003e\n\u003cli data-end=\"754\" data-start=\"643\"\u003e\n\u003cp data-end=\"754\" data-start=\"645\"\u003eHigh-purity \u003cstrong data-end=\"688\" data-start=\"657\"\u003epotassium carbonate (K₂CO₃)\u003c\/strong\u003e, also known as pearl ash. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003cspan data-testid=\"webpage-citation-pill\" class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"925\" data-start=\"755\"\u003e\n\u003cp data-end=\"925\" data-start=\"757\"\u003eActs as a solid \u003cstrong data-end=\"788\" data-start=\"773\"\u003epotash flux\u003c\/strong\u003e source: when used in glazes or ceramic bodies, provides K₂O without introducing unwanted oxides. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003cspan data-testid=\"webpage-citation-pill\" class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1096\" data-start=\"926\"\u003e\n\u003cp data-end=\"1096\" data-start=\"928\"\u003eWhite, hygroscopic solid, highly soluble in water (≈ 110 g per 100 mL at 20 °C) making it efficient for dissolving \u0026amp; dispersing. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003cspan data-testid=\"webpage-citation-pill\" class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1208\" data-start=\"1097\"\u003e\n\u003cp data-end=\"1208\" data-start=\"1099\"\u003eLarge format \u003cstrong data-end=\"1133\" data-start=\"1112\"\u003e50 lb (≈ 22.7 kg)\u003c\/strong\u003e bag offers economies of scale for studios, manufacturing, or bulk users.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1326\" data-start=\"1209\"\u003e\n\u003cp data-end=\"1326\" data-start=\"1211\"\u003eVersatile industrial\/creative uses: ceramics, glass, glazing, chemical intermediates, and speciality manufacturing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-end=\"1355\" data-start=\"1328\"\u003e\u003cstrong data-end=\"1353\" data-start=\"1328\"\u003eTypical Applications:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul data-end=\"2045\" data-start=\"1356\"\u003e\n\u003cli data-end=\"1562\" data-start=\"1356\"\u003e\n\u003cp data-end=\"1562\" data-start=\"1358\"\u003e\u003cstrong data-end=\"1380\" data-start=\"1358\"\u003eCeramics \u0026amp; Glazing\u003c\/strong\u003e: Use in mid-to-high temperature glazes as a potash flux; yields distinctive colour effects (e.g., copper + high potash = green-yellow tones). \u003cspan data-state=\"closed\" class=\"\"\u003e\u003cspan data-testid=\"webpage-citation-pill\" class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1702\" data-start=\"1563\"\u003e\n\u003cp data-end=\"1702\" data-start=\"1565\"\u003e\u003cstrong data-end=\"1595\" data-start=\"1565\"\u003eGlass \u0026amp; Frit Manufacturing\u003c\/strong\u003e: A direct source of K₂O, useful when other oxides must be avoided. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003cspan data-testid=\"webpage-citation-pill\" class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\"\u003e\u003ca class=\"flex h-4.5 overflow-hidden rounded-xl px-2 text-[9px] font-medium transition-colors duration-150 ease-in-out text-token-text-secondary! bg-[#F4F4F4]! dark:bg-[#303030]!\" alt=\"https:\/\/digitalfire.com\/material\/pearl%2Bash?utm_source=chatgpt.com\" rel=\"noopener\" href=\"https:\/\/digitalfire.com\/material\/pearl%2Bash?utm_source=chatgpt.com\" target=\"_blank\"\u003e\u003cspan class=\"relative start-0 bottom-0 flex h-full w-full items-center\"\u003e\u003cspan class=\"flex h-4 w-full items-center justify-between overflow-hidden\"\u003e\u003cspan class=\"max-w-[15ch] grow truncate overflow-hidden text-center\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1829\" data-start=\"1703\"\u003e\n\u003cp data-end=\"1829\" data-start=\"1705\"\u003e\u003cstrong data-end=\"1727\" data-start=\"1705\"\u003eChemical Feedstock\u003c\/strong\u003e: Employed where a highly alkaline potassium salt is required. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003cspan data-testid=\"webpage-citation-pill\" class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\"\u003e\u003ca class=\"flex h-4.5 overflow-hidden rounded-xl px-2 text-[9px] font-medium transition-colors duration-150 ease-in-out text-token-text-secondary! bg-[#F4F4F4]! dark:bg-[#303030]!\" alt=\"https:\/\/en.wikipedia.org\/wiki\/Potassium_carbonate?utm_source=chatgpt.com\" rel=\"noopener\" href=\"https:\/\/en.wikipedia.org\/wiki\/Potassium_carbonate?utm_source=chatgpt.com\" target=\"_blank\"\u003e\u003cspan class=\"relative start-0 bottom-0 flex h-full w-full items-center\"\u003e\u003cspan class=\"flex h-4 w-full items-center justify-between\"\u003e\u003cspan class=\"-me-1 flex h-full items-center rounded-full px-1 text-[#8F8F8F]\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2045\" data-start=\"1830\"\u003e\n\u003cp data-end=\"2045\" data-start=\"1832\"\u003e\u003cstrong data-end=\"1871\" data-start=\"1832\"\u003eTraditional Food\/Leavening Contexts\u003c\/strong\u003e: Historically used as a leavening agent (pear-ash in baked goods) though this product is intended for industrial\/technical use-cases. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003cspan data-testid=\"webpage-citation-pill\" class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-end=\"2079\" data-start=\"2047\"\u003e\u003cstrong data-end=\"2077\" data-start=\"2047\"\u003eTechnical \u0026amp; Handling Info:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul data-end=\"2680\" data-start=\"2080\"\u003e\n\u003cli data-end=\"2146\" data-start=\"2080\"\u003e\n\u003cp data-end=\"2146\" data-start=\"2082\"\u003eChemical Formula: K₂CO₃. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003cspan data-testid=\"webpage-citation-pill\" class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2237\" data-start=\"2147\"\u003e\n\u003cp data-end=\"2237\" data-start=\"2149\"\u003eAppearance: White crystalline\/hygroscopic solid.\u003cspan data-state=\"closed\" class=\"\"\u003e\u003cspan data-testid=\"webpage-citation-pill\" class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2402\" data-start=\"2238\"\u003e\n\u003cp data-end=\"2402\" data-start=\"2240\"\u003eStorage: Keep tightly sealed, dry environment — material absorbs moisture from air (hygroscopic) which may cause clumping. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003cspan data-testid=\"webpage-citation-pill\" class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2559\" data-start=\"2403\"\u003e\n\u003cp data-end=\"2559\" data-start=\"2405\"\u003eSafety: Handle with appropriate PPE (gloves, eye protection). Due to its alkaline nature, avoid skin\/eye contact and store away from incompatible acids.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2680\" data-start=\"2560\"\u003e\n\u003cp data-end=\"2680\" data-start=\"2562\"\u003ePackaging: Supplied in a robust bulk-bag appropriate for 50 lb weight; ideal for studio backstock or batch production.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-end=\"3022\" data-start=\"2682\"\u003e\u003cstrong data-end=\"2710\" data-start=\"2682\"\u003eWhy Choose This Product?\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-end=\"3022\" data-start=\"2682\"\u003eFor the serious ceramicist, glass-fabricator or chemical-processing professional: this bulk format provides a cost-effective way to access high purity potash flux\/alkali in the scale you need. No compromise in quality, and excellent flexibility for custom formulae, glaze recipes or industrial chemical needs.\u003c\/p\u003e\n\u003cp data-end=\"3093\" data-start=\"3024\"\u003e\u003cstrong data-end=\"3091\" data-start=\"3024\"\u003eUse \u0026amp; Application Tips (Staff-College style “Order of Battle”):\u003c\/strong\u003e\u003c\/p\u003e\n\u003col data-end=\"3960\" data-start=\"3094\"\u003e\n\u003cli data-end=\"3224\" data-start=\"3094\"\u003e\n\u003cp data-end=\"3224\" data-start=\"3097\"\u003e\u003cstrong data-end=\"3120\" data-start=\"3097\"\u003eRecon \u0026amp; Preparation\u003c\/strong\u003e: Confirm your substrate (glaze base, clay body or chemical mix) tolerates a highly alkaline addition.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"3417\" data-start=\"3225\"\u003e\n\u003cp data-end=\"3417\" data-start=\"3228\"\u003e\u003cstrong data-end=\"3242\" data-start=\"3228\"\u003eDeployment\u003c\/strong\u003e: Incorporate powder in your batch with caution — mix dry first, then add water or other liquids as required. Ensure full dissolution if you intend to use the solution form.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"3625\" data-start=\"3418\"\u003e\n\u003cp data-end=\"3625\" data-start=\"3421\"\u003e\u003cstrong data-end=\"3435\" data-start=\"3421\"\u003eMonitoring\u003c\/strong\u003e: Because K₂CO₃ is very soluble and active, monitor your colour response, melt behaviour and compatibility. For glaze use: a potash-rich glaze will melt differently than a sodium-rich one.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"3818\" data-start=\"3626\"\u003e\n\u003cp data-end=\"3818\" data-start=\"3629\"\u003e\u003cstrong data-end=\"3657\" data-start=\"3629\"\u003eAfter-Action Maintenance\u003c\/strong\u003e: Store remaining material in a sealed container in a low-humidity environment; label clearly for “technical use – not food grade” unless documented otherwise.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"3960\" data-start=\"3819\"\u003e\n\u003cp data-end=\"3960\" data-start=\"3822\"\u003e\u003cstrong data-end=\"3837\" data-start=\"3822\"\u003eContingency\u003c\/strong\u003e: Always keep a small sample for reference. When scaling up, use consistent testing to ensure batch-to-batch repeatability.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Sheffield Pottery","offers":[{"title":"1 Pound","offer_id":67286211789171,"sku":"RMPOTCAR-1","price":3.25,"currency_code":"USD","in_stock":true},{"title":"5 Pounds","offer_id":67286211821939,"sku":"RMPOTCAR-5","price":15.5,"currency_code":"USD","in_stock":true},{"title":"10 Pounds","offer_id":67286211854707,"sku":"RMPOTCAR-10","price":30.0,"currency_code":"USD","in_stock":true},{"title":"25 Pounds","offer_id":67286211887475,"sku":"RMPOTCAR-25","price":72.5,"currency_code":"USD","in_stock":true},{"title":"50 Pounds","offer_id":45105277763906,"sku":"RMPOTCAR","price":130.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/5508\/2050\/files\/potassiumcarb__23290.1585688843.jpg?v=1693515476","url":"https:\/\/www.sheffield-pottery.live\/products\/pearl-ash-potassium-carbonate-10-pounds-rmpotcar","provider":"Sheffield Pottery Inc.","version":"1.0","type":"link"}