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Place of Origin : china
Brand Name : wanshida
Certification : ISO9001
Model Number : WSD-503
MOQ : 30
Packaging Details : Foam box
Delivery Time : 7-10days
Payment Terms : T/T;Western Union
Supply Ability : 5000pcs/month
Application : metal powder sintering
Dimensions : 6-24inch
Chemical Composition : quartz 99.99%
1.using quartz sand purity 99.99%
2. bubble-free inner layer with coating
3. high thermal performance
The compose of fused silica crucible
Opaque silica crucible of arc melting used for semiconductor industry is the essential basic material for pulling monocrystalline silicon and developing L S I circuit.
It has the advantages of high purity, high temperature resistance with big size, good thermal insulation, economization on energy, quality stability etc.
We also can produce various specifications of transparent and translucent crucibles. Crucibles can be produced according to the standard or produced on customer’s required specification and shape.
Purity
| Al | Fe | Ca | Cu | K | Na | Li | B | OH |
| 20 | 1 | 1.5 | 0.1 | 3 | 3 | 3 | 0.3 | 30 |
| 15 | 0.3 | 0.6 | 0.05 | 0.7 | 1.0 | 0.7 | <0.1 | 30 |
| 8 | 0.2 | 0.6 | 0.02 | 0.3 | 0.9 | 0.2 | <0.05 | 30 |
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The crucible 99.9 purity quartz Images |