White Fused Mullite Castable 74-79% Al2O3 for Glass Kiln Insulation Liner with 1830°C Melting Point

White Fused Mullite Castable is a premium refractory material manufactured through high-temperature fusion of alumina and silica at 1800-2000°C, forming stable mullite crystals ideal for glass kiln insulation liners and thermal protection systems.

• Excellent thermal stability up to 1830°C melting point
• High mechanical strength and low thermal expansion (6.0×10⁻⁶/°C)
• Superior chemical resistance and dimensional stability
• Low porosity (6%) and minimal glass phase (5% max)
• True density: 3.10 g/cm³ minimum

Used in refractory bricks, castables, and linings for kilns, furnaces, and high-temperature industrial equipment due to exceptional thermal shock resistance and low thermal conductivity.

Manufacturing of advanced ceramics including crucibles, thermocouple protection tubes, and kiln furniture.

Utilized for molds and cores requiring high-temperature strength and dimensional stability.

Processed into abrasive grains for grinding wheels, cutting tools, and surface treatment applications.

We provide customized fused mullite products with different models and chemical specifications according to customer requirements.

Manufactured by Zhengzhou Xinli Wear-resistant Materials Co. Ltd., a professional enterprise founded in 1996 specializing in wear-resistant materials production and R&D.