지금 보고 계신 제품의 제조사에요
극동씰테크(주)
제품 상세 정보
| Unit | Al₂O₃(KD960) | Al₂O₃(KD995) | ZrO₂(KD940) | |
| Specific Gravity | g/cc | 3.7 | 3.9 | 6.1 |
| Hardness Rockwell | HRA | 78.0 | 83.0 | 80.0 |
| Toughness | MN/m-3/2 | 2.0 | 3.0 | 8.0 |
| Flexural strength | (25℃) kg/㎠ | 3,100 | 3,800 | 13,000 |
| coefficient of thermal expansion | ×10-6/℃ | 8.2 | 8.3 | 9.5 |
| Thermal shock | ΔT,℃ | 200.0 | 250.0 | 290.0 |
| Thermal conductivity | w/mk | 22.0 | 23.0 | 30.0 |
| Working temperature | ℃ | 1,500 | 1,600 | 800 |
| Young`s modulus | 106kg/㎠ | 3.3 | 3.8 | 2.0 |
| Unit | Reaction-bonded Sillcon carbide | Pressureless-sintered Sillcon carbide | |
| Density | g/㎤ | 3.02 | 3.00 |
| Hardness (knoop) | kg/㎟ | 1700 | 2800 |
| Compressive trenght | MPaX103lb/in2 | ＞3900 | ＞3900 |
| Flexural strengh 4pt | MPaX103lb/in2 | ＞350 | ＞450 |
| Free-si content | % | 8~12 | ＜0.3 |
| purity (SiC Content) | % | ＞88 | ＞99 |
| Modulus of elasticity | GPax1062 | 4.12×105 | 4.30×105 |
| Poisson ratio | 0.15 | 0.15 | |
| Max service temp air | ℃ | 4.3×10-6 | 4.3×10-6 |
| Coefficient of thermal expansion RT to 700℃ | I/℃ | 1500 | 1600 |
| Unit | Tungsten carbide | |
| Density | g/㎤ | 15.0 |
| Hardness Rockwell | HRA | 92.0 |
| TRS | N/㎟ | 2,590 |
| Young`s modulus | kg/㎟ | 62,000 |
| Compressive Strenght | kg/㎟ | 530.0 |
| Thermal Exp.coeff | x10-6/℃ | 5.0 |
| Thermal conductivity | cal/cm℃sec | 0.19 |
