Ceramic Crucible:

Material composition:

SiO2 ≈ 80%

Al2O3  ≈ 20%

The low blank-point of carbon and sulfur:

 C%:  0.0002-0.0003% 

S%:  0.0002-0.0003%

 Combustion Temperature:

 Approx 1750°C

 Packing & Indicating:

Packing: 1000pcs/carton

Appearance: Cylindrical body, uplift at the bottom.

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