{"product_id":"calcium-carb-whiting-1lb","title":"Calcium Carb Whiting","description":"\u003cmeta charset=\"UTF-8\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eCaCO\u003c\/span\u003e\u003csub data-mce-fragment=\"1\"\u003e3\u003c\/sub\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eThis is the most common source of calcium in glazes. It is a high temperature flux that gives durability and hardness to glazes. \u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eWhiting 325 mesh - standard material used in pottery glazes. 98.0 % CaCO3 with 1% retained on a 325 mesh sieve \u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eCalcium Carbonate alone is quite refractory but when mixed with feldspar or silica will start fluxing around 1100°C. It is often used in low fire clay bodies as an addition to help with glaze fit. It is rarely used as a flux in stoneware or porcelains. This is the Eastern Version of Calcium Carbonate. \u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e","brand":"Laguna Clay Company","offers":[{"title":"2 lb","offer_id":46012776350006,"sku":"856","price":3.75,"currency_code":"USD","in_stock":true},{"title":"5 lb","offer_id":46012776382774,"sku":"857","price":7.5,"currency_code":"USD","in_stock":true},{"title":"10 lb","offer_id":46012776415542,"sku":"858","price":11.25,"currency_code":"USD","in_stock":true},{"title":"25 lb","offer_id":46012776448310,"sku":"859","price":23.0,"currency_code":"USD","in_stock":true},{"title":"50 lb","offer_id":46012776481078,"sku":"860","price":37.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0671\/5041\/4134\/files\/IMG_0570.jpg?v=1686946298","url":"https:\/\/wonkypotterysupply.com\/products\/calcium-carb-whiting-1lb","provider":"Wonky Pottery Supply","version":"1.0","type":"link"}