Quartz crucible
High purity
Good water logging
High precision
Heat preservation stability
Spec. (square) size (mm) spec. (square) size (mm)
1100 1050*1050*550 900 878*878*480
900 878*878*420 720 720*720*420
585 585*585*420 440 440*440*350
240 240*240*350 220 220*220*95
Spec. (circle) size (mm) spec. (circle) size (mm)
610 ø 610*420 100 ø 100*300
Company overview
Robuster quartz is a comprehensive company integrated in the production and export of quartz crucibel, fused silica ceramic labware, quartz tube and other quartz products. Our companies focus our innovations on energy efficiency and resource conservation. Our product range covers:
1. 10-28 inch fused quartz crucibles for semiconductor wafer manufacturing industry.
2. 18-28 inch fused quartz crucibles for solar industry.
3. Featured fused quartz crucibles with large range dimensions to serve the sintering process for metallurgy industry.
4. Fused silica ceramic for labs, powder metallurgy.
5. Quartz tubing, quartz ingot and other quartz products.
Compliant with international standards.
For your assurance, our three factories are iso 9001:2008-certified and our products have ce, rohs and reach marks.
Worldwide sales market coverage
Due to our high quality, steady performance and good after-sales service, 80 percent of our products are exported to europe, the us and southeast asia.
If you have any requirement or question, please feel free to contact with us.
Item index
Max temperature (° c) 1600° c
Volume density (g/cm³ ) = 1.67
Apparent porosity (%) = 12.5
Ccs (mpa) = 57
Mor(mpa) = 22
Thermal conductivity (w/m-k) (rt~1000° c) 0.8
Tce (° c-1)(rt~1000° c) = 0.9*10 -6
Crystallinity(vol%) = 1
Supplier: Aluminium ( ingots, t bars, sows, rods), copper (cathodes, cakes, billets, ingots, rods), lead (ingots), nickel (cathodes both cut and uncut briquettes, pellets, discs, etc.), tin (ingots, etc.), zinc (ingots both regular size and jumbos), steel billets (all types including crc, hrc, hdgc, plates, sheets), concentrates and ores for above items including bauxite, manganese, clinker and iron ores etc), scraps of above items including hms 1&2 and steel scraps
Buyer: Aluminium ( ingots, t bars, sows, rods), copper (cathodes, cakes, billets, ingots, rods), lead (ingots), nickel (cathodes both cut and uncut briquettes, pellets, discs, etc.), tin (ingots, etc.), zinc (ingots both regular size and jumbos), steel billets (all types including crc, hrc, hdgc, plates, sheets), concentrates and ores for above items including bauxite, manganese, clinker and iron ores etc), scraps of above items including hms 1&2 and steel scraps
Supplier: Talc, mica, fly ash, bauxite, calcined bauxite, potash feldspar, quartz, sand, silica sand, micro silica, silica fume, bentonite, bleaching clay, ball clay, ethyl acetate
Supplier: 1. carbon black
2. rubber crumb
3. precipitated silica
4. silica quartz ore purity: 98% available, silica quartz powder/purity: 99.9% available, silica lumps purity: 99% available
5. calcium chloride powder 74% cacl2 92% cacl2 94%
6. magnesium chloride flake
7. sodium meta bisulphite (food grade 94 96%)
8. red onion as per your required size.
9. sodium acetate anhydrous 99% sodium acetate trihydrate crystal 99%
10.pet preform & fiber, bottle, flakes,
11.bopp tapes
12. capsicum or bell pepper, ready to eat foods, ready green paste like ginger, garlic paste
Services: We also do logistic work for cif and we have 3rd party facilities like sgs on client chargeable base.