| Customization: | Available |
|---|---|
| Feature: | Good Acid Resistance, Good Mechanical Strength, High Refractoriness, Low Thermal Conductivity, Permeability, Thermal Shock Resistance, Volume Stability |
| Production Process: | High Temperature Smelting |
|
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| Grain Usages and Types | ||
| Usage | For bonded abrasives | For coated abrasives |
| Type | GC | GC-P |
| Physical Characteristics | |||||
| Item | Basic mineral | Crystal system | Crystal color | Mohs hardness |
Density |
| silicon carbide | α- SiC | Hexagonal | Green | 9.15 | ≥3.18g/cm³ |
| ltem | Micro hardness | Electrical resistivity |
Grinding ability(compared with diamond as one) |
Linear expansion coefficient(when 900ºC α•10-6k-1) |
|
| silicon carbide | HV3280-3400 | 3×105-3×107Ω•cm | 0.28 | 4.6 | |
| Chemical Composition | ||||
| GB/T 2480-2008 | ||||
| Type | Grit | Chemical composition(%,by weight) | ||
| SiC | F.C | Fe2O3 | ||
| GC | F4-F90 | ≥99.10 | ≤0.20 | ≤0.20 |
| F100-F150 | ≥98.60 | ≤0.25 | ≤0.45 | |
| F180-F220 | >98.00 | ≤0.25 | ≤0.50 | |
| F230-F280 | >98.00 | ≤0.30 | ≤0.50 | |
| F320-F500 | ≥97.50 | ≤0.30 | ≤0.50 | |
| F600-F800 | ≥97.00 | ≤0.35 | ≤0.50 | |
| F1000-F1200 | >96.50 | ≤0.40 | ≤0.50 | |
| GC-P | P12-P100 | ≥99.10 | ≤0.20 | ≤0.20 |
| P120-P150 | ≥98.60 | ≤0.25 | ≤0.45 | |
| P180-P220 | ≥98.00 | ≤0.25 | ≤0.50 | |
| P240-P360 | ≥98.00 | ≤0.30 | ≤0.50 | |
| P400-P1000 | ≥97.50 | ≤0.30 | ≤0.50 | |
| P1200-P1500 | ≥97.00 | ≤0.35 | ≤0.50 | |
| P2000-P2500 | ≥96.50 | ≤0.40 | ≤0.50 | |
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