jewelry casting ceramic pot quartz crucible gold melting silica crucible high temperature casting gold crucible

Fused silica crucible crucible is a kind of combined product,made of  fused silica (quartz glass) as raw material.

• With small thermal expansion coefficient, 
• good thermal shock stability, 
• good resistance to chemical attack (in particular for acid and chlorine), 
• resistance to erosion, 
• big viscosity at high temperature,
• high strength, low thermal conductivity. 

The features of fused quartz crucible: 

ultra-low expansion coefficient, high thermal stability,.no cracking; long service life, especially for thermal shock; fewer impurities, high quality of burning of rare earth; fast heat conduction, low energy consumption, low weight,labor intensity reduction;wall light, non-stick powder, loss of rare-earth throw reduction. This item is suitable for multicrystalline silicon solar

The physical and chemical indicators

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Changsha Jintuo Experimental Equipment Co., Ltd. 

Was founded 1989 got factories In shandong province and hunan respectively ,regarded as a leader in the fire assay experimental facilities industry in china

Service the market with a variety of ceramic shapes for melt and assay  mineral,metals etc.

Insist on using advanced and mature technology and techniques in production with high-standard quality control system.

The main  products we manufacture and supply:

fire assay crucible/cupels ,silicon carbide  /graphite crucible , quartz crucible , alumina crucible,ceramic crucible ,jewelry casting tools , laboratory ceramic products etc.