Specifications
Tungsten heater components, as heat source in the sapphire growth furnace.Physical and chemical properties
1 Tungsten heater
1.1 Purity:W≥99.95%;
1.2 Density:≥19.1g/cm3;
1.3 Application temperature environment:≤2400°C;
1.4 Vapor Pressure:10-6 Pa at 2100°C
1.5 Thermal Expansion Coefficient:(0—1600°C):4.98×10-6
1.6 The Electrical Resistivities at different Temperatures(Ωmm2 /m)
