{"title":"Low Fire Clay","description":"","products":[{"product_id":"lag-em100","title":"EM100 – Laguna Cone 04-06 White Earthenware Talc Free","description":"Talc-free. Great for schools. All purpose, smooth clay. Fires white.\u003cp\u003e\u003cstrong\u003e*Important information about flat rate clay shipping\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003eachievingoptimumhealth is doing our best to make sure you can get clay during this period of social distancing so we are now offering flat rate shipping via the US Postal Service on moist clays! You can choose a 25lb box shipped in a medium flat rate box or a 50lb box shipped in a large flat rate box. The shopping cart will correctly calculate the shipping for theses clays. Just make sure you select \"Free Shipping\" as your shipping method when you checkout. If you have any other items in your cart you will only be charged shipping for those items and not the clay. \u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eImportant note. US Postal service flat rate price is only valid for orders shipped domestically. \u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eIf you are buying clay to pick up, ship via UPS Ground, LTL Freight or delivery by KPS do not select \"US Postal Service Clay Shipping\" as it will add a shipping charge and increase your clay price. Bulk discounts on clay will only appear when you select the \"50 Pound Box\" size. \u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Laguna Clay","offers":[{"title":"25 Pound Bag \/ No USPS Shipping","offer_id":39333303648319,"sku":"LAG-EM100-25","price":18.5,"currency_code":"EUR","in_stock":true},{"title":"50 Pound Box \/ No USPS Shipping","offer_id":39333303681087,"sku":"LAG-EM100-50","price":37.0,"currency_code":"EUR","in_stock":true},{"title":"25 Pound Bag \/ Yes - Medium USPS Flat Rate","offer_id":39333303713855,"sku":"LAG-EM100-25-SHIP","price":32.25,"currency_code":"EUR","in_stock":true},{"title":"50 Pound Box \/ Yes - Large USPS Flat Rate","offer_id":39333303746623,"sku":"LAG-EM100-50-SHIP","price":56.3,"currency_code":"EUR","in_stock":true},{"title":"50 Pound Box 2+ \/ No USPS Shipping 2+","offer_id":40337058791487,"sku":"LAG-EM100-50","price":34.04,"currency_code":"EUR","in_stock":true},{"title":"50 Pound Box 10+ \/ No USPS Shipping 10+","offer_id":40337058824255,"sku":"LAG-EM100-50","price":30.34,"currency_code":"EUR","in_stock":true},{"title":"50 Pound Box 20+ \/ No USPS Shipping 20+","offer_id":40337058857023,"sku":"LAG-EM100-50","price":27.75,"currency_code":"EUR","in_stock":true},{"title":"50 Pound Box 40+ \/ No USPS Shipping 40+","offer_id":40337058889791,"sku":"LAG-EM100-50","price":25.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0010\/1931\/4239\/products\/em100_lg.jpg?v=1655489859"},{"product_id":"lag-em210","title":"EM210 – Laguna Cone 04-06 White Earthenware","description":"\u003cp\u003e2.1.2023\u003c\/p\u003e\n\u003cp\u003eDUE TO A REFORMULATION OF THIS CLAY AND THE RESULTING CHANGES KPS HAS TEMPORARILY DISCONTINUED LAGUNA EM210 UNTIL THE FORMULATION IS IMPROVED. PLEASE USE LAGUNA EM100 TALC FREE WHITE EARTH, KPS WE OR KC CLAY WHITE EARTH AS A SUBSTITUTE. \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eAll purpose, smooth modeling clay. Fires white.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e*Important information about flat rate clay shipping\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eachievingoptimumhealth is doing our best to make sure you can get clay during this period of social distancing so we are now offering flat rate shipping via the US Postal Service on moist clays! You can choose a 25lb box shipped in a medium flat rate box or a 50lb box shipped in a large flat rate box. The shopping cart will correctly calculate the shipping for theses clays. Just make sure you select \"Free Shipping\" as your shipping method when you checkout. If you have any other items in your cart you will only be charged shipping for those items and not the clay.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eImportant note. US Postal service flat rate price is only valid for orders shipped domestically. \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIf you are buying clay to pick up, ship via UPS Ground, LTL Freight or delivery by KPS do not select \"US Postal Service Clay Shipping\" as it will add a shipping charge and increase your clay price. Bulk discounts on clay will only appear when you select the \"50 Pound Box\" size. \u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Laguna Clay","offers":[{"title":"25 Pound Bag \/ No USPS Shipping","offer_id":39333303779391,"sku":"LAG-EM210-25","price":23.75,"currency_code":"EUR","in_stock":false},{"title":"50 Pound Box \/ No USPS Shipping","offer_id":39333303812159,"sku":"LAG-EM210-50","price":47.5,"currency_code":"EUR","in_stock":false},{"title":"25 Pound Bag \/ Yes - Medium USPS Flat Rate","offer_id":39333303844927,"sku":"LAG-EM210-25-SHIP","price":37.5,"currency_code":"EUR","in_stock":false},{"title":"50 Pound Box \/ Yes - Large USPS Flat Rate","offer_id":39333303877695,"sku":"LAG-EM210-50-SHIP","price":66.8,"currency_code":"EUR","in_stock":false},{"title":"50 Pound Box 2+ \/ No USPS Shipping 2+","offer_id":40337058922559,"sku":"LAG-EM210-50","price":43.7,"currency_code":"EUR","in_stock":true},{"title":"50 Pound Box 10+ \/ No USPS Shipping 10+","offer_id":40337058955327,"sku":"LAG-EM210-50","price":38.95,"currency_code":"EUR","in_stock":true},{"title":"50 Pound Box 20+ \/ No USPS Shipping 20+","offer_id":40337058988095,"sku":"LAG-EM210-50","price":35.63,"currency_code":"EUR","in_stock":true},{"title":"50 Pound Box 40+ \/ No USPS Shipping 40+","offer_id":40337059020863,"sku":"LAG-EM210-50","price":33.25,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0010\/1931\/4239\/products\/em210_lg.jpg?v=1655489860"},{"product_id":"earthenware-red","title":"Kansas Clay - Cone 06-04 Earthenware Red","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eA low fire red clay that fires to a light red-orange color at cone 06 to 05, and a richer, deeper red color when fired hotter, up to about a cone 2.\u003cbr\u003e\u003c\/p\u003e \u003cp\u003e\u003cbr\u003eDuring the summer of 2020, Kansas Clay completed a comprehensive test of their clay bodies.  For each clay body, they tested 6 flat bars, which were rolled out on a slabroller.  They ALSO tested vertical shrinkage of a thrown cylinder (6 sections, each with their own test).\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e \u003ctable width=\"100%\"\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd\u003e\u003c\/td\u003e \u003ctd\u003eFlat\u003c\/td\u003e \u003ctd\u003eVertical\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eWet to Dry Shrinkage\u003c\/td\u003e \u003ctd\u003e6.06%\u003c\/td\u003e \u003ctd\u003e6.33%\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eOverall Shrinkage\u003c\/td\u003e \u003ctd\u003e8.84%\u003c\/td\u003e \u003ctd\u003e9.17%\u003cbr\u003e\n\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eAbsorption\u003c\/td\u003e \u003ctd\u003e5.96%\u003c\/td\u003e \u003ctd\u003e\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eLOI\u003c\/td\u003e \u003ctd\u003e8.05%\u003c\/td\u003e \u003ctd\u003e\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003cp\u003e \u003c\/p\u003e \u003cp\u003eTesting Methodology\u003c\/p\u003e \u003cul\u003e \u003cli\u003eBeginning weights in grams were recorded\u003cbr\u003e\n\u003c\/li\u003e \u003cli\u003eLines and weights were measured \u0026amp; recorded when bone dry\u003c\/li\u003e \u003cli\u003eThe samples were fired to Cone 04\u003c\/li\u003e \u003cli\u003eLines and weights were measured \u0026amp; recorded again\u003c\/li\u003e \u003cli\u003eThe flat tiles were then soaked in hot water for 1 1\/2 hours, then weighed again\u003c\/li\u003e \u003cli\u003eMath magic was then done to calculate the average shrinkage wet-dry and average shrinkage overall for both flat and thrown tests, and the average water absorption was calculated based on the flat bars.\u003c\/li\u003e \u003cli\u003eWe also figured the \"LOI\" (Loss on Ignition) by computing the fired weight against the bone dry weight.  This tells us what percent of organics burn off in the firing.    \u003c\/li\u003e \u003c\/ul\u003e \u003cdiv data-mce-fragment=\"1\" class=\"Description_Description\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003eFlint Hills clays have been evaluated by a nationally certified toxicologist, and have been found to be in compliance with ASTM C-1023 and D-4236, and to not contain any material in sufficient quantity to be toxic or to constitute a chronic health hazard when used responsibly.\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\n\u003c\/div\u003e \u003cdiv data-mce-fragment=\"1\" class=\"Description_Description\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/div\u003e \u003cdiv data-mce-fragment=\"1\" class=\"Description_Description\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/div\u003e \u003cdiv data-mce-fragment=\"1\" class=\"Description_Description\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/div\u003e \u003cdiv data-mce-fragment=\"1\" class=\"Description_Description\"\u003e \u003cp\u003e\u003cstrong\u003e*Important information about flat rate clay shipping\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003eachievingoptimumhealth is doing our best to make sure you can get clay during this period of social distancing so we are now offering flat rate shipping via the US Postal Service on moist clays! You can choose a 25lb box shipped in a medium flat rate box or a 50lb box shipped in a large flat rate box. The shopping cart will correctly calculate the shipping for theses clays. Just make sure you select \"Free Shipping\" as your shipping method when you checkout. If you have any other items in your cart you will only be charged shipping for those items and not the clay.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eImportant note. US Postal service flat rate price is only valid for orders shipped domestically.\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eIf you are buying clay to pick up, ship via UPS Ground, LTL Freight or delivery by KPS do not select \"US Postal Service Clay Shipping\" as it will add a shipping charge and increase your clay price. Bulk discounts on clay will only appear when you select the \"50 Pound Box\" size.\u003c\/strong\u003e\u003c\/p\u003e \u003c\/div\u003e","brand":"Kansas Clay","offers":[{"title":"50lb Box","offer_id":40095609749567,"sku":"Earthenware Red-50","price":50.0,"currency_code":"EUR","in_stock":true},{"title":"25lb Bag","offer_id":40095609782335,"sku":"Earthenware Red-25","price":25.0,"currency_code":"EUR","in_stock":true},{"title":"50lb Box Shipped Large Flat Rate in the USA","offer_id":40095609815103,"sku":"Earthenware Red-50-Ship","price":68.95,"currency_code":"EUR","in_stock":true},{"title":"25lb Bag Shipped Medium Flat Rate in the USA","offer_id":40095609847871,"sku":"Earthenware Red-25-Ship","price":39.0,"currency_code":"EUR","in_stock":true},{"title":"50lb Box 2+","offer_id":40337061150783,"sku":"Earthenware Red-50","price":46.0,"currency_code":"EUR","in_stock":true},{"title":"50lb Box 10+","offer_id":40337061183551,"sku":"Earthenware Red-50","price":41.0,"currency_code":"EUR","in_stock":true},{"title":"50lb Box 20+","offer_id":40337061216319,"sku":"Earthenware Red-50","price":37.5,"currency_code":"EUR","in_stock":true},{"title":"50lb Box 40+","offer_id":40337061249087,"sku":"Earthenware Red-50","price":35.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0010\/1931\/4239\/products\/Red_Earthenware_Fired_to_Cone04_f5c7da14-cbdc-443d-a706-0872f6671063.png?v=1683756462"},{"product_id":"terra-cotta-with-grog","title":"Kansas Clay - Cone 06-04 Terra Cotta with Grog","description":"\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003eA low fire red clay with about 18% grog (30 mesh flint grog) that fires to a light red-orange color at cone 06 to 05, and a richer, deeper red color when fired hotter, up to about a cone 2.\u003c\/span\u003e","brand":"Kansas Clay","offers":[{"title":"50lb Box","offer_id":40095610011711,"sku":"Terra Cotta with Grog-50","price":50.0,"currency_code":"EUR","in_stock":true},{"title":"25lb Bag","offer_id":40095610044479,"sku":"Terra Cotta with Grog-25","price":25.0,"currency_code":"EUR","in_stock":true},{"title":"50lb Box Shipped Large Flat Rate in the USA","offer_id":40095610077247,"sku":"Terra Cotta with Grog-50-Ship","price":68.95,"currency_code":"EUR","in_stock":true},{"title":"25lb Bag Shipped Medium Flat Rate in the USA","offer_id":40095610110015,"sku":"Terra Cotta with Grog-25-Ship","price":39.0,"currency_code":"EUR","in_stock":true},{"title":"50lb Box 2+","offer_id":40337061543999,"sku":"Terra Cotta with Grog-50","price":46.0,"currency_code":"EUR","in_stock":true},{"title":"50lb Box 10+","offer_id":40337061576767,"sku":"Terra Cotta with Grog-50","price":41.0,"currency_code":"EUR","in_stock":true},{"title":"50lb Box 20+","offer_id":40337061609535,"sku":"Terra Cotta with Grog-50","price":37.5,"currency_code":"EUR","in_stock":true},{"title":"50lb Box 40+","offer_id":40337061642303,"sku":"Terra Cotta with Grog-50","price":35.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0010\/1931\/4239\/products\/Terra_Cotta_Fired_to_Cone04_af7bd934-0c0e-42f8-88c9-cd3e057fefbd.png?v=1683756465"},{"product_id":"terra-blank-dry","title":"Kansas Clay - Cone 06-04 Terra Blanc Dry","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eA non-talc based low-fire white clay that is easier to throw than talc-based bodies, especially for beginners. Fires to a creamy white at Cone 04. Low shrinkage and great glaze fit.\u003cbr\u003e\u003c\/p\u003e \u003cp\u003e\u003cbr\u003eDuring the summer of 2020, Kansas Clay completed a comprehensive test of their clay bodies.  For each clay body, they tested 6 flat bars, which were rolled out on a slabroller.  They ALSO tested vertical shrinkage of a thrown cylinder (6 sections, each with their own test).\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e \u003ctable width=\"100%\"\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd\u003e\u003c\/td\u003e \u003ctd\u003eFlat\u003c\/td\u003e \u003ctd\u003eVertical\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eWet to Dry Shrinkage\u003c\/td\u003e \u003ctd\u003e4.08%\u003c\/td\u003e \u003ctd\u003e4.33%\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eOverall Shrinkage\u003c\/td\u003e \u003ctd\u003e5.95%\u003c\/td\u003e \u003ctd\u003e6.18%\u003cbr\u003e\n\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eAbsorption\u003c\/td\u003e \u003ctd\u003e11.36%\u003c\/td\u003e \u003ctd\u003e\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eLOI\u003c\/td\u003e \u003ctd\u003e8.33%\u003c\/td\u003e \u003ctd\u003e\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003cp\u003e \u003c\/p\u003e \u003cp\u003eTesting Methodology\u003c\/p\u003e \u003cul\u003e \u003cli\u003eBeginning weights in grams were recorded\u003cbr\u003e\n\u003c\/li\u003e \u003cli\u003eLines and weights were measured \u0026amp; recorded when bone dry\u003c\/li\u003e \u003cli\u003eThe samples were fired to Cone 04\u003c\/li\u003e \u003cli\u003eLines and weights were measured \u0026amp; recorded again\u003c\/li\u003e \u003cli\u003eThe flat tiles were then soaked in hot water for 1 1\/2 hours, then weighed again\u003c\/li\u003e \u003cli\u003eMath magic was then done to calculate the average shrinkage wet-dry and average shrinkage overall for both flat and thrown tests, and the average water absorption was calculated based on the flat bars.\u003c\/li\u003e \u003cli\u003eWe also figured the \"LOI\" (Loss on Ignition) by computing the fired weight against the bone dry weight.  This tells us what percent of organics burn off in the firing.    \u003c\/li\u003e \u003c\/ul\u003e \u003cdiv data-mce-fragment=\"1\" class=\"Description_Description\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003eFlint Hills clays have been evaluated by a nationally certified toxicologist, and have been found to be in compliance with ASTM C-1023 and D-4236, and to not contain any material in sufficient quantity to be toxic or to constitute a chronic health hazard when used responsibly.\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\n\u003c\/div\u003e \u003cdiv data-mce-fragment=\"1\" class=\"Description_Description\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/div\u003e \u003cdiv data-mce-fragment=\"1\" class=\"Description_Description\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/div\u003e \u003cdiv data-mce-fragment=\"1\" class=\"Description_Description\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/div\u003e \u003cdiv data-mce-fragment=\"1\" class=\"Description_Description\"\u003e \u003cp\u003e\u003cstrong\u003e*Important information about flat rate clay shipping\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003eachievingoptimumhealth is doing our best to make sure you can get clay during this period of social distancing so we are now offering flat rate shipping via the US Postal Service on moist clays! You can choose a 25lb box shipped in a medium flat rate box or a 50lb box shipped in a large flat rate box. The shopping cart will correctly calculate the shipping for theses clays. Just make sure you select \"Free Shipping\" as your shipping method when you checkout. If you have any other items in your cart you will only be charged shipping for those items and not the clay.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eImportant note. US Postal service flat rate price is only valid for orders shipped domestically.\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eIf you are buying clay to pick up, ship via UPS Ground, LTL Freight or delivery by KPS do not select \"US Postal Service Clay Shipping\" as it will add a shipping charge and increase your clay price. Bulk discounts on clay will only appear when you select the \"50 Pound Box\" size.\u003c\/strong\u003e\u003c\/p\u003e \u003c\/div\u003e","brand":"Kansas Clay","offers":[{"title":"50 Pound Bag","offer_id":40095612534847,"sku":"Terra Blank DRY","price":65.0,"currency_code":"EUR","in_stock":false},{"title":"50 Pound Bag 2+","offer_id":40337061412927,"sku":"Terra Blank DRY","price":59.8,"currency_code":"EUR","in_stock":true},{"title":"50 Pound Bag 10+","offer_id":40337061445695,"sku":"Terra Blank DRY","price":53.3,"currency_code":"EUR","in_stock":true},{"title":"50 Pound Bag 20+","offer_id":40337061478463,"sku":"Terra Blank DRY","price":48.75,"currency_code":"EUR","in_stock":true},{"title":"50 Pound Bag 40+","offer_id":40337061511231,"sku":"Terra Blank DRY","price":45.5,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0010\/1931\/4239\/products\/Terra_Blanc_Fired_to_Cone04.png?v=1683756506"},{"product_id":"earthenware-red-dry","title":"Kansas Clay - Cone 06-04 Earthenware Red Dry","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eA low fire red clay that fires to a light red-orange color at cone 06 to 05, and a richer, deeper red color when fired hotter, up to about a cone 2.\u003cbr\u003e\u003c\/p\u003e \u003cp\u003e\u003cbr\u003eDuring the summer of 2020, Kansas Clay completed a comprehensive test of their clay bodies.  For each clay body, they tested 6 flat bars, which were rolled out on a slabroller.  They ALSO tested vertical shrinkage of a thrown cylinder (6 sections, each with their own test).\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e \u003ctable width=\"100%\"\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd\u003e\u003c\/td\u003e \u003ctd\u003eFlat\u003c\/td\u003e \u003ctd\u003eVertical\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eWet to Dry Shrinkage\u003c\/td\u003e \u003ctd\u003e6.06%\u003c\/td\u003e \u003ctd\u003e6.33%\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eOverall Shrinkage\u003c\/td\u003e \u003ctd\u003e8.84%\u003c\/td\u003e \u003ctd\u003e9.17%\u003cbr\u003e\n\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eAbsorption\u003c\/td\u003e \u003ctd\u003e5.96%\u003c\/td\u003e \u003ctd\u003e\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eLOI\u003c\/td\u003e \u003ctd\u003e8.05%\u003c\/td\u003e \u003ctd\u003e\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003cp\u003e \u003c\/p\u003e \u003cp\u003eTesting Methodology\u003c\/p\u003e \u003cul\u003e \u003cli\u003eBeginning weights in grams were recorded\u003cbr\u003e\n\u003c\/li\u003e \u003cli\u003eLines and weights were measured \u0026amp; recorded when bone dry\u003c\/li\u003e \u003cli\u003eThe samples were fired to Cone 04\u003c\/li\u003e \u003cli\u003eLines and weights were measured \u0026amp; recorded again\u003c\/li\u003e \u003cli\u003eThe flat tiles were then soaked in hot water for 1 1\/2 hours, then weighed again\u003c\/li\u003e \u003cli\u003eMath magic was then done to calculate the average shrinkage wet-dry and average shrinkage overall for both flat and thrown tests, and the average water absorption was calculated based on the flat bars.\u003c\/li\u003e \u003cli\u003eWe also figured the \"LOI\" (Loss on Ignition) by computing the fired weight against the bone dry weight.  This tells us what percent of organics burn off in the firing.    \u003c\/li\u003e \u003c\/ul\u003e \u003cdiv data-mce-fragment=\"1\" class=\"Description_Description\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003eFlint Hills clays have been evaluated by a nationally certified toxicologist, and have been found to be in compliance with ASTM C-1023 and D-4236, and to not contain any material in sufficient quantity to be toxic or to constitute a chronic health hazard when used responsibly.\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\n\u003c\/div\u003e \u003cdiv data-mce-fragment=\"1\" class=\"Description_Description\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/div\u003e \u003cdiv data-mce-fragment=\"1\" class=\"Description_Description\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/div\u003e \u003cdiv data-mce-fragment=\"1\" class=\"Description_Description\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/div\u003e \u003cdiv data-mce-fragment=\"1\" class=\"Description_Description\"\u003e \u003cp\u003e\u003cstrong\u003e*Important information about flat rate clay shipping\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003eachievingoptimumhealth is doing our best to make sure you can get clay during this period of social distancing so we are now offering flat rate shipping via the US Postal Service on moist clays! You can choose a 25lb box shipped in a medium flat rate box or a 50lb box shipped in a large flat rate box. The shopping cart will correctly calculate the shipping for theses clays. Just make sure you select \"Free Shipping\" as your shipping method when you checkout. If you have any other items in your cart you will only be charged shipping for those items and not the clay.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eImportant note. US Postal service flat rate price is only valid for orders shipped domestically.\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eIf you are buying clay to pick up, ship via UPS Ground, LTL Freight or delivery by KPS do not select \"US Postal Service Clay Shipping\" as it will add a shipping charge and increase your clay price. Bulk discounts on clay will only appear when you select the \"50 Pound Box\" size.\u003c\/strong\u003e\u003c\/p\u003e \u003c\/div\u003e","brand":"Kansas Clay","offers":[{"title":"50 Pound Bag","offer_id":40095612567615,"sku":"Earthenware Red DRY","price":65.0,"currency_code":"EUR","in_stock":true},{"title":"50 Pound Bag 2+","offer_id":40337061281855,"sku":"Earthenware Red DRY","price":59.8,"currency_code":"EUR","in_stock":true},{"title":"50 Pound Bag 10+","offer_id":40337061314623,"sku":"Earthenware Red DRY","price":53.3,"currency_code":"EUR","in_stock":true},{"title":"50 Pound Bag 20+","offer_id":40337061347391,"sku":"Earthenware Red DRY","price":48.75,"currency_code":"EUR","in_stock":true},{"title":"50 Pound Bag 40+","offer_id":40337061380159,"sku":"Earthenware Red DRY","price":45.5,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0010\/1931\/4239\/products\/Red_Earthenware_Fired_to_Cone04.png?v=1683756507"},{"product_id":"terra-cotta-with-grog-dry","title":"Kansas Clay - Cone 06-04 Terra Cotta with Grog Dry","description":"\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003eA low fire red clay with about 18% grog (30 mesh flint grog) that fires to a light red-orange color at cone 06 to 05, and a richer, deeper red color when fired hotter, up to about a cone 2.\u003c\/span\u003e","brand":"Kansas Clay","offers":[{"title":"50 Pound Bag","offer_id":40095612600383,"sku":"Terra Cotta with Grog DRY","price":65.0,"currency_code":"EUR","in_stock":true},{"title":"50 Pound Bag 2+","offer_id":40337061675071,"sku":"Terra Cotta with Grog DRY","price":59.8,"currency_code":"EUR","in_stock":true},{"title":"50 Pound Bag 10+","offer_id":40337061707839,"sku":"Terra Cotta with Grog DRY","price":53.3,"currency_code":"EUR","in_stock":true},{"title":"50 Pound Bag 20+","offer_id":40337061740607,"sku":"Terra Cotta with Grog DRY","price":48.75,"currency_code":"EUR","in_stock":true},{"title":"50 Pound Bag 40+","offer_id":40337061773375,"sku":"Terra Cotta with Grog DRY","price":45.5,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0010\/1931\/4239\/products\/Terra_Cotta_Fired_to_Cone04.png?v=1683756509"},{"product_id":"kps-we-plus","title":"KPS – Cone 04-06 White Earthenware PLUS Grog","description":"\u003cp\u003eOur most popular low fire white clay. Bisque fire to cone 04 and glaze fire to cone 05 or 06. \u003cmeta charset=\"utf-8\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eContains fine grog for structure and tooth.\u003c\/span\u003e\u003c\/p\u003e \u003cp style=\"font-weight: 400;\"\u003eIMPORTANT INFORMATION REGARDING TALC FREE FORMULA\u003cbr\u003e\u003cbr\u003eTalc-free formula. All-around great Classroom clay. Creamy white durable white earthenware that stands up well on the wheel and for hand building. Fits commercial glazes well and is fires slightly off-white. Cone 06-04. If fired to cone 6 it will be a very yellow-tan color and water tight.\u003c\/p\u003e \u003cp style=\"font-weight: 400;\"\u003e*Color of clay is light tan, fires white at 06-04.\u003c\/p\u003e \u003cp style=\"font-weight: 400;\"\u003eShrinkage 6% \u003cbr\u003eAbsorption at Cone 04 18%\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003e*Important information about flat rate clay shipping\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003eachievingoptimumhealth is doing our best to make sure you can get clay during this period of social distancing so we are now offering flat rate shipping via the US Postal Service on moist clays! You can choose a 25lb box shipped in a medium flat rate box or a 50lb box shipped in a large flat rate box. The shopping cart will correctly calculate the shipping for theses clays. Just make sure you select \"Free Shipping\" as your shipping method when you checkout. If you have any other items in your cart you will only be charged shipping for those items and not the clay.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eImportant note. US Postal service flat rate price is only valid for orders shipped domestically.\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eIf you are buying clay to pick up, ship via UPS Ground, LTL Freight or delivery by KPS do not select \"US Postal Service Clay Shipping\" as it will add a shipping charge and increase your clay price. Bulk discounts on clay will only appear when you select the \"50 Pound Box\" size.\u003c\/strong\u003e\u003c\/p\u003e","brand":"KPS","offers":[{"title":"50lb Box","offer_id":40095661523007,"sku":"KPS WE Plus-50","price":45.5,"currency_code":"EUR","in_stock":true},{"title":"25lb Bag","offer_id":40095661555775,"sku":"KPS WE Plus-25","price":22.75,"currency_code":"EUR","in_stock":true},{"title":"50lb Box Shipped Large Flat Rate in the USA","offer_id":40095661588543,"sku":"KPS WE Plus-50-SHIP","price":64.45,"currency_code":"EUR","in_stock":true},{"title":"25lb Bag Shipped Medium Flat Rate in the USA","offer_id":40095661621311,"sku":"KPS WE Plus-25-SHIP","price":36.75,"currency_code":"EUR","in_stock":true},{"title":"50lb Box 2+","offer_id":40337064853567,"sku":"KPS WE Plus-50","price":41.86,"currency_code":"EUR","in_stock":true},{"title":"50lb Box 10+","offer_id":40337064886335,"sku":"KPS WE Plus-50","price":37.31,"currency_code":"EUR","in_stock":true},{"title":"50lb Box 20+","offer_id":40337064919103,"sku":"KPS WE Plus-50","price":34.13,"currency_code":"EUR","in_stock":true},{"title":"50lb Box 40+","offer_id":40337064951871,"sku":"KPS WE Plus-50","price":31.85,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0010\/1931\/4239\/products\/kps_white_earth_2.jpg?v=1683758667"},{"product_id":"kps-we","title":"KPS – Cone 04-06 White Earthenware","description":"\u003cp\u003eOur most popular low fire white clay. Bisque fire to cone 04 and glaze fire to cone 05 or 06.\u003c\/p\u003e \u003cp style=\"font-weight: 400;\"\u003eIMPORTANT INFORMATION REGARDING TALC FREE FORMULA\u003cbr\u003e\u003cbr\u003eTalc-free formula. All-around great Classroom clay. Creamy white durable white earthenware that stands up well on the wheel and for hand building. Fits commercial glazes well and is fires slightly off-white. Cone 06-04. If fired to cone 6 it will be a very yellow-tan color and water tight.\u003c\/p\u003e \u003cp style=\"font-weight: 400;\"\u003e*Color of clay is light tan, fires white at 06-04.\u003c\/p\u003e \u003cp style=\"font-weight: 400;\"\u003eShrinkage 6% \u003cbr\u003eAbsorption at Cone 04 18%\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003e*Important information about flat rate clay shipping\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003eachievingoptimumhealth is doing our best to make sure you can get clay during this period of social distancing so we are now offering flat rate shipping via the US Postal Service on moist clays! You can choose a 25lb box shipped in a medium flat rate box or a 50lb box shipped in a large flat rate box. The shopping cart will correctly calculate the shipping for theses clays. Just make sure you select \"Free Shipping\" as your shipping method when you checkout. If you have any other items in your cart you will only be charged shipping for those items and not the clay.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eImportant note. US Postal service flat rate price is only valid for orders shipped domestically.\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eIf you are buying clay to pick up, ship via UPS Ground, LTL Freight or delivery by KPS do not select \"US Postal Service Clay Shipping\" as it will add a shipping charge and increase your clay price. Bulk discounts on clay will only appear when you select the \"50 Pound Box\" size.\u003c\/strong\u003e\u003c\/p\u003e","brand":"KPS","offers":[{"title":"50lb Box","offer_id":40095661686847,"sku":"KPS WE-50","price":43.5,"currency_code":"EUR","in_stock":true},{"title":"25lb Bag","offer_id":40095661719615,"sku":"KPS WE-25","price":21.75,"currency_code":"EUR","in_stock":true},{"title":"50lb Box Shipped Large Flat Rate in the USA","offer_id":40095661752383,"sku":"KPS WE-50-SHIP","price":62.45,"currency_code":"EUR","in_stock":true},{"title":"25lb Bag Shipped Medium Flat Rate in the USA","offer_id":40095661785151,"sku":"KPS WE-25-SHIP","price":35.75,"currency_code":"EUR","in_stock":true},{"title":"50lb Box 2+","offer_id":40337064722495,"sku":"KPS WE-50","price":40.02,"currency_code":"EUR","in_stock":true},{"title":"50lb Box 10+","offer_id":40337064755263,"sku":"KPS WE-50","price":35.67,"currency_code":"EUR","in_stock":true},{"title":"50lb Box 20+","offer_id":40337064788031,"sku":"KPS WE-50","price":32.63,"currency_code":"EUR","in_stock":true},{"title":"50lb Box 40+","offer_id":40337064820799,"sku":"KPS WE-50","price":30.45,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0010\/1931\/4239\/products\/kps_white_earth_2_b260c3ec-7a9a-4a16-b282-067f2decd09a.jpg?v=1683758669"}],"url":"https:\/\/achievingoptimumhealth.com\/collections\/low-fire-clay.oembed","provider":"achievingoptimumhealth","version":"1.0","type":"link"}