
High Alumina Heat Resistant Firesleeve Brick Nozzle Stopper. High Alumina Composition: Al2O3 content ranges from 48% to 80%, ensuring superior heat resistance. Customizable Options: Supports full customization based on customer drawings and specific requirements. Slag Resistance: Neutral refractory material with strong resistance to acid and alkaline slag erosion. Versatile Applications: Ideal for blast furnaces, cement kilns, glass kilns, and steel-making furnaces. Certified Quality: ISO 9001 and CE certified with strict quality control and random inspections. Manufacturer Direct: Source factory established in 1986 with annual output over 200,000 tons. Free Samples Available: Free product samples provided, with freight and mold fees covered by buyer.