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Product Description
Green carborundum factory China Supplier GC280# Grit
Green carborundum factory China Supplier GC280# Grit is produced at high temperature in an electric resistance type furnace with quarts sand and petroleum coke added industrial salt.It is characterized with higer hardness than fused alumina.
Green carborundum factory China Supplier GC280# Grit properties:
high density
low thermal expansion, high oxidation resistance
excellent chemical resistance
high thermal shock resistance
high wear and hardness resistance
high strength, high temperature resistance
high temperature strength
Green carborundum factory China Supplier GC280# Grit Technical Data Sheet
| TYPICAL CHEMICAL ANALYSIS | |
| SiC | 99.05% |
| SiO2 | 0.20% |
| F,Si | 0.03% |
| Fe2O3 | 0.10% |
| F.C | 0.04% |
| TYPICAL PHYSICAL PROPERTIES | |
| Hardness: | Mohs:9.5 |
| Melting Point: | Sublimes at 2600 ℃ |
| Maximum service temperature: | 1900℃ |
| Specific Gravity: | 3.2g/cm3 |
| Bulk density(LPD): | 1.2-1.6 g/cm3 |
| Color: | Green |
| Particle shape: | Hexagonal |
| AVAILABLE SIZES | |
| FEPA | F230 F240 F280 F320 F360 F400 F500 F600 F800 F1000 F1200 F1500 F2000 |
| JIS | 240# 280# 320# 360# 400# 500# 600# 700# 800# 1000# 1200# 1500# 2000# 2500# 3000# 4000# 6000# 8000# 10000# |
1. Precision polishing for hard optical glass such as camera lens.
2. Glaze, floor coating, floor & wall laminates
3. Precision polishing, lapping in silicon wafer industry
4. Lapping soft metal including aluminum alloy, copper alloy etc.
5. Polishing hard alloy, non-ferrous metal, plastic, etc.
6. Working on super hard metal.
7. Additives in Teflon painting
8. Additives in Nano Aerogel fire-proof material
9. Raw material for polishing tools.
10. Raw material for technical ceramics.
11. Wire sawing
FAQ:
Q: What is the difference between green silicon carbide and black silicon carbide?
A: First of all, Green silicon carbide has higher purity of SiC(99%), black silicon carbide SiC purity is min 98%. Secondly, green silicon carbide is harder than black silicon carbide.
Q: Is the green silicon carbide powder from you by air flow sieving or water sieving?
A: Our green silicon carbide powder is made by water sieving process. So the particles are of high consistency.
Q: What are the HS code and CAS NO. of silicon carbide?
A: HS code is 2849200000. CAS NO. is 409-21-2.
Q: Is there any restriction to export silicon carbide material from China?
A: Yes, it has to get an export license to export. We will provide it to custom.
Q: How many kgs of free samples can we get?
A: We provide free samples less than 1 kgs. Clients have to bear the express cost and DGM certificate cost.
Q: How do you inspection products before delivery?
A: We will check items of chemical, density, particle size distribution and packing before delivery. After delivery, we keep samples of each batch for 3 months.
Q: Do you demand MOQ?
A: MOQ is 1 bag, always goes 25kgs. The transportation cost will be higher than that of 1MT.
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