High temperature resistant quartz crucible, milky white quartz crucible, laboratory quartz crucible, single crystal poly

Quartz Crucible

Quartz crucible is the necessary container for monocrystalline silicon and polycrystalline silicon's producing and also the basic equipment for semiconductor industry and silicon solar cell.

SiO2(wt%) ≥99.5-99.9
Bulk density (g / cm3) ≥ 1.85-2.0
Apparent porosity (%) ≤ 5-15
Normal temperature compressive strength (MPA) ≥ 50-120
Bending strength at room temperature (MPA) ≥ 25
High temperature bending strength (MPA) ≥ 28
Coefficient of thermal expansion (× 10-6k-1) < 0.6
Heat conductivity 66.0 ℃