{"product_id":"c-c-ball-clay-h-c-spinks-rmhcscc50","title":"C\u0026C Ball Clay (H.C. Spinks)","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\u003cspan\u003e\u003c\/span\u003e\n\u003ch2 class=\"abz-seo-product\"\u003eC\u0026amp;C Ball Clay- H.C. Spinks : 50 Pound Bag\u003c\/h2\u003e\n\u003cp\u003eWhite burning plastic ball clay\u003c\/p\u003e\n\u003cp\u003eAnalysis Formula \u003cbr\u003eCaO 0.10% 0.007 \u003cbr\u003eMgO 0.20% 0.019 \u003cbr\u003eK2O 0.41% 0.017 \u003cbr\u003eNa2O 0.20% 0.013 \u003cbr\u003eTiO2 1.64% 0.080 \u003cbr\u003eAl2O3 26.29% 1.000 \u003cbr\u003eSiO2 59.84% 3.863 \u003cbr\u003eFe2O3 0.92% 0.022 \u003cbr\u003eLOI 10.40 \u003cbr\u003eOxide Weight 347.63 \u003cbr\u003eFormula Weight 387.98\u003c\/p\u003e\n\u003cp\u003eConsidered by some as a stoneware clay, it fires very white and is used in white firing porcelains and stoneware for its excellent plasticity. The company describes it as a fine-grained engineered blend, well known for its excellent plasticity and fired properties. This consistent blend is suitable for a wide variety of forming processes, where a high degree of plasticity is required, such as dry pressing, jiggering, ram pressing and casting. \u003c\/p\u003e","brand":"Sheffield Pottery","offers":[{"title":"5 Pounds","offer_id":67286236823923,"sku":"RMHCSCC-5","price":5.75,"currency_code":"USD","in_stock":true},{"title":"10 Pounds","offer_id":67286236856691,"sku":"RMHCSCC","price":10.5,"currency_code":"USD","in_stock":true},{"title":"25 Pounds","offer_id":67286236889459,"sku":"RMHCSCC-25","price":23.75,"currency_code":"USD","in_stock":true},{"title":"50 Pounds","offer_id":45113725190466,"sku":"RMHCSCC50","price":23.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/5508\/2050\/files\/image_014504e4-e677-4133-9588-0e25b54945aa.jpg?v=1696878575","url":"https:\/\/www.sheffield-pottery.live\/products\/c-c-ball-clay-h-c-spinks-rmhcscc50","provider":"Sheffield Pottery Inc.","version":"1.0","type":"link"}