{"title":"Refractory Concretes","description":"\u003cp class=\"p1\"\u003eOur refractory concretes are engineered to deliver outstanding thermal insulation and structural integrity in high-temperature environments. Suitable for casting monolithic linings in furnaces, kilns, and incinerators, they offer superior durability, abrasion resistance, and chemical stability. These concretes are easy to mix and place, providing reliable performance even in continuous thermal cycling. We offer a wide selection of refractory concretes — from general-purpose formulations to highly specialized mixes developed for heavy-duty industrial applications.\u003c\/p\u003e","products":[{"product_id":"rcast-52-medium-cement-refractory-concrete-660-lb","title":"RTH-USA RCAST-52 Medium Cement Refractory Concrete - 660 lb","description":"\u003cp\u003eRCAST-52 Medium Cement Refractory Concrete is a high-performance dry mix designed for demanding thermal environments. With exceptional resistance to heat (up to 1500°C \/ 2730°F), abrasion, and mechanical stress, it is ideal for thermal units, kilns, furnaces, and incinerators where there is no direct contact with molten metal. This eco-friendly, pre-mixed dry refractory mix requires no additional additives - simply add water and apply. Whether you’re building, repairing, or upgrading high-temperature systems, RCAST-52 delivers superior durability, thermal efficiency, and reliability.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBulk shipping note:\u003c\/strong\u003e This is a 660 lb heavy refractory item. Please preview shipping in the cart before checkout. If your total order is over 700 lb or you are ordering multiple units, contact us so we can help review freight or bulk shipping options for your delivery ZIP code. See our \u003ca href=\"\/pages\/shipping-bulk-orders\"\u003eShipping \u0026amp; Bulk Orders\u003c\/a\u003e page for what information to send.\u003c\/p\u003e","brand":"Refractory Trading House","offers":[{"title":"Default Title","offer_id":42560332857462,"sku":"RCAST-52-660-lb","price":620.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0650\/2573\/6822\/files\/big-bag52_714f6023-fae3-4343-a58c-b6cf1beb7a7d.png?v=1757699481"},{"product_id":"rcast-45-medium-cement-refractory-concrete-660-lb","title":"RTH-USA RCAST-45 Medium Cement Refractory Concrete - 660 lb","description":"\u003cp\u003eRCAST-45 Medium Cement Refractory Concrete is designed for high-performance thermal environments where there is no direct contact with molten metal. Withstanding temperatures up to 1400°C (2550°F), this 660 lb dry mix pack offers superior abrasion resistance and mechanical strength. Perfect for kilns, furnaces, ovens, and other high-temperature applications, RCAST-45 ensures reliable thermal insulation and structural integrity. Ready-to-mix with no additional additives required - just mix with water and apply for long-lasting results.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBulk shipping note:\u003c\/strong\u003e This is a 660 lb heavy refractory item. Please preview shipping in the cart before checkout. If your total order is over 700 lb or you are ordering multiple units, contact us so we can help review freight or bulk shipping options for your delivery ZIP code. See our \u003ca href=\"\/pages\/shipping-bulk-orders\"\u003eShipping \u0026amp; Bulk Orders\u003c\/a\u003e page for what information to send.\u003c\/p\u003e","brand":"Refractory Trading House","offers":[{"title":"Default Title","offer_id":42560338002038,"sku":"RCAST-45-660-lb","price":570.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0650\/2573\/6822\/files\/big-bag45.png?v=1757699588"},{"product_id":"rcast-62sp-low-cement-refractory-concrete-660-lb","title":"RTH-USA RCAST-62SP Low Cement Refractory Concrete - 660 lb","description":"\u003cp\u003eRCAST-62SP Low Cement Refractory Concrete is engineered for superior performance in high-temperature environments. This 660 lb dry mix is formulated to withstand operating temperatures up to 1630°C (2970°F), offering outstanding thermal resistance, slag protection, and mechanical strength. Ideal for lining kilns, furnaces, fireplaces, and other thermal units, this eco-friendly refractory mix requires no additional additives—simply add water and apply. Whether you’re repairing, constructing, or upgrading thermal equipment, RCAST-62SP delivers exceptional durability and ease of use.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBulk shipping note:\u003c\/strong\u003e This is a 660 lb heavy refractory item. Please preview shipping in the cart before checkout. If your total order is over 700 lb or you are ordering multiple units, contact us so we can help review freight or bulk shipping options for your delivery ZIP code. See our \u003ca href=\"\/pages\/shipping-bulk-orders\"\u003eShipping \u0026amp; Bulk Orders\u003c\/a\u003e page for what information to send.\u003c\/p\u003e","brand":"Refractory Trading House","offers":[{"title":"Default Title","offer_id":42560342851702,"sku":"RCAST-62SP-660-lb","price":670.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0650\/2573\/6822\/files\/big-bag62sp_8b5df361-f37a-4327-afd1-eb03af9ccfed.png?v=1757699871"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0650\/2573\/6822\/collections\/concrete_bag.png?v=1757090615","url":"https:\/\/wefractory.com\/collections\/refractory-concretes.oembed","provider":"Wefractory","version":"1.0","type":"link"}