fused silica casting crucible

Fused silica casting crucible used as a container to load poly-crystalline silica material in manufacture of poly-crystalline silicon ingots solar cell, with fine structure, low thermal conductivity, low thermal expansion coefficient, high precision, no deformation under high temperature, thermal shock stability, good electrical properties and resistance to chemical attack properties, the product widely be used in fine processing of glass, metallurgical industry, electronic industry, chemical industry, aviation and aerospace fields.With high-purity fused silica materials, strict production process control, ultrasonic cleaning of the crucible surface treatment, ensuring the purity of the product. Through a variety of non-destructive testing technology to detect the internal defects and ensure the quality. Specifications: customized. Including 220-, 440-, 585-, 720-, 900A-, 900B-, 900C-and 1100A type and so on.