{"product_id":"hawthorn-fire-clay-for-cob-ovens-rmhawbon50","title":"Hawthorn Bond 35M Fire Clay","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\"\u003eHAWTHORN BOND 35M Fire Clay- 50lb BAG\u003c\/h2\u003e\n\u003cp\u003eHAWTHORN BOND 35M Fire Clay- 50lb BAG:\u003cbr\u003eQuantity discounts and Bulk available. Please call to order large quantities of this low-fire pottery clay for sale: 888.774-2529\u003cbr\u003e50 lb bags can ship UPS\u003cbr\u003eA plastic fireclay exhibiting outstanding plasticity and workability. For a gummier option, check out Hawthorn's 50 mesh \u003ca href=\"https:\/\/www.sheffield-pottery.live\/products\/hawthorn-bond-fire-clay-50-mesh-50lb-bag-rmhawbon5050\"\u003eplastic fire clay\u003c\/a\u003e.\u003cbr\u003ePCE 31-32\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eHawthorn Bond Fire Clay Features:\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eFiring Temperature 1800F 2000F 2200F 2400F \u003cbr\u003eApproximate Cone (Small) 08 04 4 9 \u003cbr\u003eDry Shrinkage (%) 1.7 4.4 8.5 N\/A \u003cbr\u003eFired Shrinkage (%) 4.2 7.9 11.4 11.7 \u003cbr\u003eFired Color Tan-Pink Tan Yellow Gray-Yellow \u003cbr\u003eLOI (%) 12.99 12.92 13.67 N\/A\u003c\/p\u003e\n\u003cp\u003eSiO2 47.1 - 53.3% \u003cbr\u003eAl2O3 30.3 - 32.1% \u003cbr\u003eFe2O3 1.3 - 1.7% \u003cbr\u003eTiO2 1.7 - 2.2% \u003cbr\u003eK2O 0.6 - 1.0% \u003cbr\u003eMgO 0.2 - 0.4% \u003cbr\u003eCaO 0.3 - 0.5% \u003cbr\u003eNa2O 0.1 - 0.3% \u003cbr\u003eP2O5 0.1 - 0.3% \u003cbr\u003eLOI 10.5 – 15.55%\u003cbr\u003e\u003c\/p\u003e","brand":"Sheffield Pottery","offers":[{"title":"5 Pounds","offer_id":67286252683635,"sku":"RMHAWBON50-5","price":6.0,"currency_code":"USD","in_stock":true},{"title":"10 Pounds","offer_id":67286252716403,"sku":"RMHAWBON50-10","price":11.0,"currency_code":"USD","in_stock":true},{"title":"25 Pounds","offer_id":67286252749171,"sku":"RMHAWBON50-25","price":25.0,"currency_code":"USD","in_stock":true},{"title":"50 Pounds","offer_id":45113724109122,"sku":"RMHAWBON50","price":25.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/5508\/2050\/files\/white-RMHAWBON50CO-2_9fe0479e-e81e-4840-aeb1-b6b98ac2e79a.jpg?v=1696878287","url":"https:\/\/www.sheffield-pottery.live\/products\/hawthorn-fire-clay-for-cob-ovens-rmhawbon50","provider":"Sheffield Pottery Inc.","version":"1.0","type":"link"}