50% Al₂O₃ Castable Conventional Castables

50% Al₂O₃ Castable is the 48-52% Al₂O₃ grade in our conventional castables range, rated to 1400°C. Typical catalogue values: Al₂O₃ content 48-52%; cement content 18-22%; bulk density 2.30 g/cc; CCS after 110°C dry 25 MPa; CCS after 1200°C 45 MPa; max service temperature 1400°C. Confirm the exact figures on the grade datasheet before specifying.

50% Al₂O₃ Castable carries 48-52% Al₂O₃.

Applications for the conventional castables range include backup linings behind LCC / dense brick working linings, boiler furnace front and rear walls (non-hot-face), industrial waste incinerator general lining, heat treatment furnace walls and roof, soaking pit backup and chimney bottom, brick-cast hybrid lining where minor repairs and adjustments are needed, foundry ladle backup and trough lining and cement preheater bottom and meal chute. Grade selection depends on your operating conditions; send them to us and we will confirm 50% Al₂O₃ Castable or a neighbouring grade.

40% Al₂O₃ Castable: 38-42% Al₂O₃, rated to 1300°C. 50% Al₂O₃ Castable: 48-52% Al₂O₃, rated to 1400°C. 60% Al₂O₃ Castable: 58-62% Al₂O₃, rated to 1500°C. Higher alumina generally brings higher refractoriness and slag resistance. Send us your application and operating temperature and we will confirm the grade.

Send your application, operating temperature, lining area and quantity through the quote form, WhatsApp or +91 98999 57888. Same-day dispatch of standard stock items from Delhi; other items are confirmed with the quotation. Pricing is quoted per enquiry.