High-purity Quartz Crucible 18

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Loading Port:: China Main Port

Payment Terms:: TT or LC

Min Order Qty:: 1 Piece pc

Supply Capability:: 20000 Pieces per Month pc/month

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1. using IOTA-CG grade high purity quartz sand(SIO2≥99.99%)

2. coated inner layer with strict defect control(foreign inclusions, bubbles, bubble clusters, scratches/scuffs, structure faults, spikes, vapor clouds…)

3. high thermal performance(strong heat resistance, high transmission)

4. customization available(custom design according to drawings)

The standardized specifications of our quartz crucibles are as follows:(mm)

size(inches)	out diameter	height	wall1 thickness	wall2 thickness	wall3 thickness	redius of bottom(R)	redius of edge(r)
18"	453-460	318-324	7-8	8-9	8-9	500	120
20"	503-510	350-370	9-10	9-11	9-11	508	90
22"	553-560	380-392	10-12	10-12	10-12	558	120
24"	603-610	405-420	11-13	12-15	12-15	609	120
28"	703-710	405-430	11-13	12-15	12-15	709	120

Q: How to improve the quality of transparent layer of quartz crucible used for monocrystalline silicon: The quartz crucible used for monocrystalline silicon is generally divided into 3 layers: the outermost bubble area, the middle transparent layer (ideally without bubbles), and the innermost layer coating.

Q: What crucible is used to melt solid caustic soda?Why not quartz crucibles?: Iron. React with ceramic or glass silica ash

Q: What happens when carbon carbon crucibles are cracked?: After a long period of use, its silicon vapor corroded the edges of the carbon and carbon parts;

Q: Quartz products are mainly used in photovoltaic and semiconductor industry which links, please expert pointing!: Quartz can be used in many industriesYou should say that the PV and semi industry should be polycrystalline silicon or monocrystalline siliconThe manufacture of quartz products is first made into quartz powder, which can be used as quartz glass tubes, quartz plates, crucibles and so onThe crucible is very demanding, because it's Gao ChunshaThe crucible is stable because of the physical properties of the quartz material and can be used to refine polycrystalline silicon - monocrystalline siliconThe industry itself has recently come into contact, and it should be said that the prospects for development are good

Q: At present, the quartz crucible used in Czochralski silicon is used to make use of barium coating, but how does the oxygen content rise when the coating react with the silicon melt?: The coating has the effect of increasing the crystallization rate without increasing the cost and is more impractical

Q: Why are fused quartz transparent and opaque?: China referred to as quartz glass, press process, use and appearance to the classification, such as transparent fused quartz glass, fused quartz glass, quartz glass, synthetic gas semltime quartz glass, opaque quartz glass, quartz glass, quartz glass, semiconductor electric light source with quartz glass.

Q: What are the main differences between the corundum crucible and the quartz crucible?: HF can not contact, high temperature, easy and caustic alkali carbonate reaction and alkali metal; quartz crucible suitable for K2S2O7, KHSO4 and Na2S207 as flux melted samples (first drying at 212 degrees) as flux sample; quartz brittle, easily broken, use caution; in addition to Hf, the ordinary dilute inorganic acid can be used as cleaning liquid.

Q: The quartz ceramic crucible melting quartz crucible: Because of the use of extremely harsh conditions, the crucible of purity, strength, appearance defects, internal quality, high temperature performance, thermal shock stability and dimensional accuracy has very strict requirements.

Q: Can the quartz crucible react with calcium oxide or calcium hydroxide at high temperature?: The main component of the quartz crucible is SiO2. Silica is an atomic crystal with a high boiling point, so it can be used as a crucible material.

Q: What are the functional features of quartz crucibles?: Quartz is fragile and easy to break, so we should pay attention to it.

We are a high-tech enterprise specialized in the production of semiconductor monocrystal silicon and solar grade high purity quartz crucibles. One of the greatest advantages of us is that we enjoy more than 100 solar grade monocrystalline furnaces in China,which can help to test the stability of our quartz crucibles. The sales volume of our solar grade quartz crucibles has always been in the top 3 among other manufacturers since 2007.

1. Manufacturer Overview

Location	Jiangsu, China
Year Established	2005
Annual Output Value
Main Markets	North America South America Eastern Europe Southeast Asia Africa Oceania Mid East Eastern Asia Western Europe Central America Northern Europe Southern Europe South Asia
Company Certifications	ISO 9001:2008 ;ISO 14001:2004 ;GB/T28001-2001

2. Manufacturer Certificates

a) Certification Name
Range
Reference
Validity Period

3. Manufacturer Capability

a) Trade Capacity
Nearest Port	Busan
Export Percentage	1% - 10%
No.of Employees in Trade Department	3-5 People
Language Spoken:	English, Chinese, Japanese
b) Factory Information
Factory Size:	10,000-30,000 square meters
No. of Production Lines	Above 10
Contract Manufacturing	OEM Service Offered Design Service Offered Buyer Label Offered
Product Price Range	Average