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Quartz crucible  
Porcelain Crucible 
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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.Zhongyu is leading to use Unimin high-purity Quartz sands, and make quartz crucible melted by high temperature and arc vacuum technology. It solve the problem of alkali-free metal internal spread successfully, and reduce the impurity density of crucible lining, and has good crystallization-resistance performance, it also ensure the low oxygen content and particle defects in the process of pulling crystal, and make the. ...   MORE>>
Ceramic crucible is widely used in the production of polycrystalline silicon!
Advantages of Our Ceramic crucible
1.Unique homogeneous structure and a slightly higher porosity, so that products with good thermal shock resistance, anti cracking ability.
2.Unique surface structure and proper surface roughness, especially for silicon nitride coating spraying, coating is not flaking easy ...   MORE>>
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