Material abrasivo verde de carburo de silicio 64C F40
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Introducción de producto de material abrasivo verde de carburo de silicio 64C F40
El material abrasivo verde de carburo de silicio 64C F40 es adecuado para ruedas abrasivas de carburo de silicio. Su dureza solo se clasifica después del diamante y B4C, y es más duro que el carburo de silicio negro. Por lo tanto, es adecuado para moler una amplia gama de materiales duros como aleaciones de titanio, mármol, aleaciones de carburo, vidrios ópticos, cerámica, etc.
El Carburo de Silicio Verde se produce a alta temperatura en un horno tipo resistencia eléctrica con cuartos de galón de arena y coque de petróleo. La pureza de SiC del carburo de silicio verde es de hasta 99% min. Es un SiC frágil artificial con alta conductividad térmica y alta resistencia que no disminuye a 1000 centígrados.
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Propiedades físicas típicas del material abrasivo verde de carburo de silicio 64C F40
| Dureza Mohs: | 9.5 |
| Dureza Vickers: | 3100-3400kg/mm2 |
| Gravedad específica: | 3,2 g/cm 3 |
| Densidad aparente (LPD): | 1,2-1,6 g/ cm3 |
| Color: | Verde |
| Forma de partícula: | Hexagonal |
| Punto de fusion: | Disociado a unos 2600 centígrados |
| Temperatura máxima de servicio: | 1900 centígrados |
| Friabilidad | Friable |
| Conductividad térmica | 0,013 cal/cm2.seg (900°C) |
| Coeficiente de expansión térmica | 7-9 x10-6 / ℃ (0-1600 °C) |
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Análisis químico del material abrasivo verde de carburo de silicio 64C F40
| ANÁLISIS QUÍMICO TÍPICO | ||
| Contenido químico | F20-F220 | F230-F2000 |
| Sic | Mínimo 99% | Mín. 98,5 % |
| SiO2 _ | Máx. 0,50 % | Máx. 0,70 % |
| F, Si | Máx. 0,20 % | Máx. 0,40 % |
| Fe 2 O 3 | Máx. 0,10 % | Máx. 0,15 % |
| FC | Máx. 0,20 % | Máx. 0,30 % |
| L.O.I | Máx. 0,05 % | Máx. 0,09 % |
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Característica del producto del material abrasivo verde de carburo de silicio 64C F40
- Extremely high hardness (Mohs 9.5, Vickers 3100-3400kg/mm2) with high wear-resistance ability. The hardness of SiC decrease with the increase in temperature. But still, even at the temperature of 1200°C, the hardness of green SiC is about twice that of fused alumina.
- Excellent chemical resistance and oxidation resistance. When heated at high temperatures, silicon carbide only oxidizes on the surface, forming a silicon dioxide film. The film can protect the silicon carbide material from oxidation. As a result, even at 1600°C, green SiC can maintain stability to most strong acids and alkalis.
- High Toughness. The toughness of silicon carbide abrasive refers to the difficulty of breaking under the action of external force. Taking F46 grit as an example, the toughness of carborundum tested by the static pressure method is about 68-78%. Compared with fused alumina, the mechanical strength of silicon carbide is higher. F120 for example, the compressive strength of silicon carbide is 186KN/cm2, and the compressive strength of corundum abrasive is 100KN/cm2.
- Excellent thermal shock resistance with low thermal expansion coefficient. At a temperature of 25-1400 °C, the average thermal expansion coefficient of silicon carbide is 4.4×10-6/°C, while the thermal expansion coefficient of fused alumina is 7-8×10-6/°C.
- High-temperature resistance; high-temperature strength. The melting point of green silicon carbide is 2600 °C, and the maximum operating temperature can reach 1900 °C. Applying silicon carbide to the inner wall of the engine can increase the life of the engine.
- High purity. The green silicon carbide grain from us is milling from A grade green SiC block. Then sieve to high consistency particles.
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Applications of 64C F40 silicon carbide green abrasive material
GC grinding wheel for Stone F46,F60,F80,F120,F150,F180,F220 Cutting disc for marble/Glass/graphite F36,F46 Bonded Grinding Wheel F46,F60,F80,F120,F150,F180,F220 Polishing wheel, Sanding disc F80,F120,F150,F180,F220,F240,F320,F360 F400,F500,F600,F800,F1000,F1200
Honing stone, whetstone F800,F1000,F1200,F1500,F2000 Diamond sanding disc F500,F600,F800,F1000,F1200,F1500
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Specification of 64C silicon carbide green abrasive material
| Grit | 1 | 2 | 3 | 3 and 4 | 5 | Q5max,% | ||||
| W1,um | Q1,% | W2,um | Q2max,% | W3,um | Q3min,% | W4,um | Q3+Q4min,% | W5,um | ||
| F8 | 4000 | 0 | 2800 | 20 | 2360 | 45 | 2000 | 70 | 1700 | 3 |
| F10 | 3350 | 0 | 2360 | 20 | 2000 | 45 | 1700 | 70 | 1400 | 3 |
| F12 | 2800 | 0 | 2000 | 20 | 1700 | 45 | 1400 | 70 | 1180 | 3 |
| F14 | 2360 | 0 | 1700 | 20 | 1400 | 45 | 1180 | 70 | 1000 | 3 |
| F16 | 2000 | 0 | 1400 | 20 | 1180 | 45 | 1000 | 70 | 850 | 3 |
| F20 | 1700 | 0 | 1180 | 20 | 1000 | 45 | 850 | 65 | 710 | 3 |
| F24 | 1180 | 0 | 850 | 25 | 710 | 45 | 600 | 65 | 500 | 3 |
| F30 | 1000 | 0 | 710 | 25 | 600 | 45 | 500 | 65 | 425 | 3 |
| F36 | 850 | 0 | 600 | 25 | 500 | 45 | 425 | 65 | 355 | 3 |
| F40 | 710 | 0 | 500 | 30 | 425 | 40 | 355 | 65 | 300 | 3 |
| F46 | 600 | 0 | 425 | 30 | 355 | 40 | 300 | 65 | 250 | 3 |
| F54 | 500 | 0 | 355 | 30 | 300 | 40 | 250 | 65 | 212 | 3 |
| F60 | 425 | 0 | 300 | 30 | 250 | 40 | 212 | 65 | 180 | 3 |
| F70 | 355 | 0 | 250 | 25 | 212 | 40 | 180 | 65 | 150 | 3 |
| F80 | 300 | 0 | 212 | 25 | 180 | 40 | 150 | 65 | 125 | 3 |
| F90 | 250 | 0 | 180 | 20 | 150 | 40 | 125 | 65 | 106 | 3 |
| F100 | 212 | 0 | 150 | 20 | 125 | 40 | 106 | 65 | 90 | 3 |
| F120 | 180 | 0 | 125 | 20 | 106 | 40 | 90 | 65 | 75 | 3 |
| F150 | 150 | 0 | 106 | 15 | 90 | 40 | 75 | 65 | 63 | 3 |
| F180 | 125 | 0 | 90 | 15 | 75 | * | 63 | 40 | 53 | * |
| F220 | 106 | 0 | 75 | 15 | 63 | * | 53 | 40 | 45 | * |
| FEPA Grit | ds50-value (μm) |
| F 230 | 53.0 ± 3 |
| F 240 | 44.5 ± 2 |
| F 280 | 36.5 ± 1.5 |
| F 320 | 29.2 ± 1.5 |
| F 360 | 22.8 ± 1.5 |
| F 400 | 17.3 ± 1 |
| F 500 | 12.8 ± 1 |
| F 600 | 9.3 ± 1 |
| F 800 | 6.5 ± 1 |
| F 1000 | 4.5 ± 0.8 |
| F 1200 | 3.0 ± 0.5 |
| F 1500 | 2.0 ± 0.4 |
| F 2000 | 1.2 ± 0.3 |
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Production details of 64C silicon carbide green abrasive material
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Packing:
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FAQ
Q: What is the difference between green silicon carbide and black silicon carbide?
A: First of all, Green silicon carbide has a 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 airflow sieving or water sieving?
A: Our green silicon carbide powder is made by the 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 customs.
Q: How many kgs of free samples can we get?
A: We provide free samples of less than 1 kgs. Clients have to bear the express cost and DGM certificate cost.
Q: How do you inspect 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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