... 2.excellent thermal shock ability, Magnesia chrome brickManufacture: 1. Use high-purity fused magnesia and high-quality chrome ore as raw materials,2. ... crushing strength and bending strength, excellent thermal shock ability, perfect direct bonding; 2. Low apparent porosity, low heat conductivity; 3. ... ; 3. Building industry, glass furnace, cement rotary kiln etc. Magnesia chrome brick for Glass kiln