FEPA Black carborundum Powder F280
Description:
Black Silicon carbide powder is acid pickled water separated powder with an extreme hardness after producing at high temperature in an electric resistance type furnace with quarts sand and petroleum coke.
Black Silicon Carbide is produced by a process involving the electrochemical reaction of silica(SiO2) – in the form of quartz mixed with Carbon(C) in the form of raw petroleum coke. The stoichiometric mixture is reacted in an electrical resistance furnace at a temperature up to 2500℃ to yield high-quality crystals. The process is large furnace technology with a graphite electrode in the furnace center. The large crystals are then segregated, crushed, cleaned of magnetic impurities in high-intensity magnetic separators and classified into narrow size fractions to suit the end-use. Dedicated lines produce products for different applications. The micro powder form silicon carbide from HAIXU Abrasives is with good size distribution, high purity, and low impurities.
Properties:
High hardness, retaining hardness and strength at high temperature.
High wear resistance.
Excellent thermal shock resistance with high thermal conductivity and low linear thermal expansion.
Good ability to withstand the strongest alkalis and acids.
TYPICAL CHEMICAL ANALYSIS | |
SiC | ≥98% |
SiO2 | ≤1% |
H2O3 | ≤0.5% |
Fe2O3 | ≤0.3% |
F.C | ≤0.3% |
Magnetic content | ≤0.02% |
TYPICAL PHYSICAL PROPERTIES | |
Hardness: | Mohs:9.2 |
Melting Point: | dissociated at about 2300 °C |
Maximum service temperature: | 1900℃ |
Specific Gravity: | 3.2-3.45 g/cm3 |
Bulk density(LPD): | 1.2-1.6 g/cm3(depends on the size) |
Color: | Black |
Particle shape: | Hexagonal |
Modulus of Elasticity | 58-65x106 psi |
Coefficient of Thermal Expansion | 3.9-4.5 x10-6/ ℃ |
Thermal Conductivity | 71-130 W/MK |
AVAILABLE SIZES | |
P-microgrit | P240 P280 P320 P360 P400 P500 P600 P800 P1000 P1200 P1500 P2000 P2500 P3000 P4000 P5000 |
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# |
D50 Sizes of black silicon carbide power:
| Grit designation | Mean grain size ds50-value in μm |
| P240 | 58.2 ± 2.0 |
| P280 | 52.2 ± 2.0 |
| P320 | 46.2 ± 1.5 |
| P360 | 40.5 ± 1.5 |
| P400 | 35.0 ± 1.5 |
| P500 | 30.2 ± 1.5 |
| P600 | 25.8 ± 1.0 |
| P800 | 21.8 ± 1.0 |
| P1000 | 18.3 ± 1.0 |
| P1200 | 15.3 ± 1.0 |
| P1500 | 12.6 ± 1.0 |
| P2000 | 10.3 ± 0.8 |
| P2500 | 8.4 ± 0.5 |
| P3000 | 5 .5± 0.5 |
| P4000 | 4 ± 0.5 |
| P5000 | 3 ± 0.4 |
Zhengzhou Haixu abrasives co., Ltd, founded in 1 9 9 9, located in Xingyang City, Henan Province, China. With 20 years of production experience and professional technical and marketing team, Haixu Abrasives has established long term cooperation with foreign customers which are from about forty countries including United States, Germany, Italy, Japan, Korea, Russia, Malaysia, and Vietnam.
Zhengzhou Haixu Abrasives Co., Ltd has over 7500 square kilometers workshop for production and QC department with all kinds of testing equipments including Omec, Slap-sieve and microscope, Office for accounting, purchasing, importing, exporting, after-sales service, logistics. HAIXU now become a leading brand in the abrasives material field.
All the materials are produced under professional standards, running under the production standards of GB, FEPA, JIS, and AFS separately. Our staff from Haixu Abrasives are always providing good quality products, professional service, and proper solutions for all clients all over the world.
Q: Are you a trading company or manufacturer?
A: We are a factory.
Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples ? is it free or extra?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q: What are your terms of payment?
A: Payment
Q: Which region is your main market?
A: We have many customers from South Korea, Japan, Russia, North America. Most of those clients cooperated with us for more than 10years.