Sanxin New Materials Co., Ltd.: world leader in advanced ceramics with 2008 year, specializing in ceramic grinding media, wear-resistant parts and structural components for the mining industry, electronic, pharmaceutical, aerospace and other industries.
Anyuan Industrial Park, Pingxiang city, Jiangxi Province, China
Silicon carbide (SiC) is a compound of silicon and carbon. This is ceramic material, which is used in various fields due to its excellent properties. SiC is a hard and brittle material, resistant to high temperatures and chemical corrosion. It is also an excellent conductor of electricity and has high thermal conductivity.
More details| Type | A unit of measurement | Aluminum oxide | Zirconium dioxide | Silicon carbide | Silicon nitride | |||||||||
| Property | Al₂O₃ 92% | Al₂O₃ 95% | Al₂O₃ 99% | Al₂O₃ 99.9% | Al₂O₃ 99.99% | Al₂O₃-ZrO₂ TZ380 | Al₂O₃-ZrO₂ TZ400 | Al₂O₃-ZrO₂ TZ450 | Al₂O₃-ZrO₂ | ZrO₂-Y₂O₃ | ZrO₂-CeO₂ | SiC | Si₃N₄ | |
| Material | Al₂O₃ | Al₂O₃ | Al₂O₃ | Al₂O₃ | Al₂O₃ | Al₂O₃+ZrO₂ | Al₂O₃+ZrO₂ | Al₂O₃+ZrO₂ | Al₂O₃-ZrO₂ | ZrO₂-Y₂O₃ | ZrO₂-CeO₂ | SiC | Si₃N₄ | |
| Purity | % | Al₂O₃≥ 92% | Al₂O₃ ≥95% | Al₂O₃ ≥99% | Al₂O₃ ≥ 99.9% | Al₂O₃ ≥ 99.99% | Al₂O₃+ZrO₂≥92% SiO₂ ≤5% |
Al₂O₃+ZrO₂≥95% SiO₂ ≤2% |
Al₂O₃+ZrO₂≥96% SiO₂ ≤2% |
Al₂O₃15% – ZrO₂ 80% |
ZrO₂ ≥94.7% – Y₂O₃ ≥ 5.2% |
ZrO₂ ≥80% – CeO₂ ≥ 18% |
SiC ≥98% |
Si₃N₄ ≥95% |
| Color | White | White | White | Ivory | Ivory | Ivory | Ivory | Ivory | Ivory | White | White | Black | Black | |
| Density | g/cm³ | 3.5 | 3.55 | 3.85 | 3.95 | 3.98 | ≥3.70 | ≥4.40 | ≥4.95 | 4.2 | 6 | 6.1 | 3.15 | 3.2 |
| Flexural strength | MPa | 280 | 300 | 380 | 390 | 395 | 500 | 500 | 500 | 500 | 1000 | 400-600 | 400 | 700 |
| Compressive strength | MPa | 2000 | 2100 | 2400 | 2420 | 2440 | 2700 | 2700 | 2700 | 2700 | 2200 | 1500-2000 | 2000 | 3000 |
| Elastic moduli (according to Jung) | GPa | 280 | 300 | 350 | 360 | 370 | 350 | 350 | 350 | 350 | 210 | 200 | 430 | 290 |
| Fracture toughness | MPa*m¹/² | 3 | 3.2 | 3.8 | 3.9 | 4 | 3.5 | 3.5 | 3.5 | 3.5 | 8 | 4-6 | 4 | 6 |
| Poisson's ratio | 0.21 | 0.22 | 0.23 | 0.23 | 0.24 | 0.24 | 0.24 | 0.24 | 0.24 | 0.3 | 0.3 | 0.16 | 0.28 | |
| Hardness HRA | HRA | 85 | 87 | 90 | 91 | 92 | 91 | 91 | 91 | 91 | 90 | 88-90 | 94 | 91.5 |
| Vickers hardness | HV1 | 1100 | 1200 | 1550 | 1580 | 1600 | 1600 | 1600 | 1600 | 1600 | 1450 | 1000-1300 | 2100 | 1600 |
| Thermal expansion coefficient | 10⁻⁶K⁻¹ | 7.5 | 7.3 | 7 | 6.9 | 6.8 | 9.2 | 9.2 | 9.2 | 9.2 | 10 | 10-11 | 3.5 | 3.2 |
| Thermal conductivity | W/m·k | 22 | 23 | 28 | 30 | 32 | 8 | 8 | 8 | 8 | 3 | 2-3 | 90 | 30 |
| Thermal shock resistance | △T.℃ | 180 | 180 | 200 | 200 | 200 | 470 | 470 | 470 | 470 | 400 | 400 | 600 | 600 |
| Maximum temperature for use in an oxidizing atmosphere | ℃ | 900 | 950 | 1100 | 1150 | 1200 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1350 | 1300 |
| Maximum temperature for use in a reducing or inert atmosphere | ℃ | 900 | 950 | 1300 | 1350 | 1400 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1350 | 1400 |
| Volume resistance at 20°C | Oh·cm | 10¹³ | 10¹³ | 10¹⁴ | 10¹⁵ | 10¹⁵ | 10¹⁴ | 10¹⁴ | 10¹⁴ | 10¹⁴ | 10¹² | 10¹⁰-10¹² | 10⁵ | 10¹⁴ |
| Dielectric strength | kV/mm | 12 | 13 | 18 | 19 | 20 | 16.5 | 16.5 | 16.5 | 16.5 | 15 | 15 | 0 | 15 |
| Permittivity (1 MHz) | 9.8 | 9.7 | 9.5 | 9.5 | 9.5 | 10 | 10 | 10 | 10 | 30 | 30 | – | 9 | |
| Dielectric loss angle at 20°C, 1 MHz | tanδ | 4×10⁻⁴ | 3.5×10⁻⁴ | 2×10⁻⁴ | 1.5×10⁻⁴ | 1×10⁻⁴ | 2×10⁻⁴ | 2×10⁻⁴ | 2×10⁻⁴ | 2×10⁻⁴ | 2×10⁻³ | 2×10⁻³ | – | 4×10⁻³ |
| Ball size range | mm | 0.5-100 | 0.5-20 | 0.5-20 | 0.5-20 | 0.2-11 | 1-10 | 1-10 | 1-10 | 0.3-3.0 | 0.02-50 | 0.4-3.2 | 1.5-20 | 0.1-50 |
Make ceramic grinding balls, structural ceramics, wear-resistant parts, sandblasting balls and bearing balls to your specifications. Our specialists accompany projects from idea to delivery, reducing costs and timeframes.
Premium Aluminum Oxide, zirconium dioxide, SiC and Si₃N₄ provide excellent hardness, Corrosion and heat resistant – ideal for grinding, wear resistance and high-load applications, ensuring long service life.
Rapid prototyping and worldwide wholesale supply with flexible scaling for small to large orders of structural ceramics and grinding media - timely and cost-effective delivery.
All products comply with ISO standards, RoHS and industry certifications, allowing for seamless integration into regulated industries, such as medicine and aerospace, - guarantee of quality without problems.