Fireproof High Structural Strength Polycrystalline Alumina Plate

Fireproof High Structural Strength Polycrystalline Alumina Plate

Polycrystalline alumina fiber is a crystalline refractory fiber, which is made of metal aluminum powder and other chemical raw materials through chemical process. It is divided into mullite fiber, high alumina fiber and pure alumina fiber, which can be made into fiber blocks, fiber felt, fiberboard and fiber paper.

Product Features
• Hard, high structural strength, machinable
• Resistant to thermal shock and low thermal conductivity
• Can be directly exposed to flames

Product Applications
• Lining or backing of various high-temperature furnaces
• Fireproof and heat insulation

Application field

High temperature electric furnace hearth, burner bricks, fire door; high temperature insulation for military industry, aerospace, scientific research, nuclear industry, etc.; other high temperature insulation fields.