{"title":"Refractory Castables","description":"\u003cp\u003eRefractory Castables includes RCAST refractory concrete and gunning materials available in our store. This collection is organized by product grade and package size so customers can choose the right material for furnace, kiln, fireplace, stove, and other high-temperature lining or repair applications.\u003c\/p\u003e\u003cp\u003eThe collection includes RCAST-45, RCAST-45G, RCAST-52, and RCAST-62SP in the available packaging formats, including small repair packs, 33 lb bags, large 660 lb bags, and marketplace SKU versions where applicable.\u003c\/p\u003e","products":[{"product_id":"rcast-62sp-low-cement-refractory-concrete-33-lb","title":"RTH-USA RCAST-62SP Low Cement Refractory Concrete 33 lb","description":"\u003cp\u003eRCAST-62SP Low Cement Refractory Concrete is engineered for superior performance in high-temperature environments. This 33 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\u003cdiv class=\"wf-automatic-savings-note\"\u003e\n\u003ch3\u003eAutomatic savings at checkout\u003c\/h3\u003e\n\u003cp\u003eOrders over $300 receive 2% off automatically. Sign in or create an account before checkout to receive 1% off, or 3% off on orders over $300.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/en-eu\/account\/login\"\u003eSign in or create an account\u003c\/a\u003e before checkout to unlock registered customer savings.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Refractory Trading House","offers":[{"title":"Default Title","offer_id":43284262223990,"sku":"B0DX4HWKZ4","price":66.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0650\/2573\/6822\/files\/rcast-62sp-low-cement-refractory-concrete-33-lb-B0DX4HWKZ4-1_1fbdbff1-8f61-4796-823c-95cd0c5e7bcc.png?v=1778765512"},{"product_id":"rcast-45-medium-cement-refractory-concrete-33-lb","title":"RTH-USA RCAST-45 Medium Cement Refractory Concrete 33 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 33 lb dry mix 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. Pre-mixed dry mixture with no additional additives required - just mix with water and apply for long-lasting results.\u003c\/p\u003e\u003cdiv class=\"wf-automatic-savings-note\"\u003e\n\u003ch3\u003eAutomatic savings at checkout\u003c\/h3\u003e\n\u003cp\u003eOrders over $300 receive 2% off automatically. Sign in or create an account before checkout to receive 1% off, or 3% off on orders over $300.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/en-eu\/account\/login\"\u003eSign in or create an account\u003c\/a\u003e before checkout to unlock registered customer savings.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Refractory Trading House","offers":[{"title":"Default Title","offer_id":43284191608950,"sku":"B0DX3MBN7R","price":55.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0650\/2573\/6822\/files\/rcast-45-medium-cement-refractory-concrete-33-lb-B0DX3MBN7R-1_1f9f4e6a-cf1d-4399-90e7-71e04f452673.jpg?v=1778765691"},{"product_id":"rcast-45g-medium-cement-refractory-gunning-concrete-33-lb","title":"RTH-USA RCAST-45G Medium Cement Refractory Gunning Concrete 33 lb","description":"\u003cp\u003eRCAST-45G Medium Cement Refractory Gunning Concrete is engineered for high-performance thermal applications where efficiency and durability are critical. Formulated to operate at temperatures up to 1450°C (2640°F), this 33 lb dry mix provides superior low rebound properties, maximizing installation efficiency and reducing waste. Ideal for lining kilns, furnaces, boilers, and other thermal units, RCAST-45G offers strong adhesive bonding, excellent abrasion resistance, and reliable performance under extreme thermal stress. Suitable for use with both manual and mechanical gunning equipment.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eShipping note:\u003c\/strong\u003e This is a heavy refractory material, and shipping cost can vary by destination. For larger quantities or if shipping looks high at checkout, please review our \u003ca href=\"\/en-eu\/pages\/shipping-bulk-orders\"\u003eShipping \u0026amp; Bulk Orders\u003c\/a\u003e page or contact us before placing the order.\u003c\/p\u003e\u003cdiv class=\"wf-automatic-savings-note\"\u003e\n\u003ch3\u003eAutomatic savings at checkout\u003c\/h3\u003e\n\u003cp\u003eOrders over $300 receive 2% off automatically. Sign in or create an account before checkout to receive 1% off, or 3% off on orders over $300.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/en-eu\/account\/login\"\u003eSign in or create an account\u003c\/a\u003e before checkout to unlock registered customer savings.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Refractory Trading House","offers":[{"title":"Default Title","offer_id":43284220510326,"sku":"B0DW4F2R3C","price":57.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0650\/2573\/6822\/files\/rcast-45g-medium-cement-refractory-gunning-concrete-33-lb-B0DW4F2R3C-1_c44fa442-b70c-4738-985b-42e652124ecb.png?v=1778766001"},{"product_id":"rcast-45-medium-cement-refractory-concrete-6-6-lb-pre-mixed-dry-mixture-for-thermal-units-kilns-furnaces-high-heat-resistance-up-to-1400-c-2550-f-abrasion-and-mechanical-strength","title":"RTH-USA RCAST-45 Medium Cement Refractory Concrete – 6.6 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 6.6 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","brand":"Refractory Trading House","offers":[{"title":"Default Title","offer_id":42441953575030,"sku":"DN-GGKP-79D5","price":39.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0650\/2573\/6822\/files\/Rcast-4507_4f15f96d-7866-40bf-be28-306a0db6406e.png?v=1754620610"},{"product_id":"rcast-52-medium-cement-refractory-concrete-33-lb","title":"RTH-USA RCAST-52 Medium Cement Refractory Concrete 33 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 mixture 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\u003cdiv class=\"wf-automatic-savings-note\"\u003e\n\u003ch3\u003eAutomatic savings at checkout\u003c\/h3\u003e\n\u003cp\u003eOrders over $300 receive 2% off automatically. Sign in or create an account before checkout to receive 1% off, or 3% off on orders over $300.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/en-eu\/account\/login\"\u003eSign in or create an account\u003c\/a\u003e before checkout to unlock registered customer savings.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Refractory Trading House","offers":[{"title":"Default Title","offer_id":43284249772150,"sku":"B0DX417MLK","price":88.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0650\/2573\/6822\/files\/rcast-52-medium-cement-refractory-concrete-33-lb-B0DX417MLK-1_03316ab2-de4e-43b9-bba2-b208a44729f0.png?v=1778766123"},{"product_id":"rcast-52-medium-cement-refractory-concrete-6-6-lb-pre-mixed-dry-mixture-for-thermal-units-kilns-furnaces-high-heat-resistance-up-to-1500-c-2730-f-durable-and-abrasion-resistant","title":"RTH-USA RCAST-52 Medium Cement Refractory Concrete – 6.6 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","brand":"Refractory Trading House","offers":[{"title":"Default Title","offer_id":42441953968246,"sku":"SM-SH19-3PTP","price":45.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0650\/2573\/6822\/files\/Rcast-52_09.png?v=1754620544"},{"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=\"\/en-eu\/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=\"\/en-eu\/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=\"\/en-eu\/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\/castables.png?v=1779848965","url":"https:\/\/wefractory.com\/en-eu\/collections\/refractory-castables.oembed","provider":"Wefractory","version":"1.0","type":"link"}