石墨坩埚
石墨匣钵
膨胀石墨
鳞片石墨
胶体石墨
胶体石墨粉
规格：厚度0.15—1.5mm；宽度1—1.5m；长度1—500m；密度0.7—1.5g/cm³
性能：具有热稳定性、耐高低温、耐腐蚀性等特点。
用途：是制造各种石墨密封件的基础材料。可制作填料环、石墨带材、密封垫片、复合板材、气缸垫，粘贴于各种金属表面，改善密封性能。
Specifications: thickness 0.15-1.5mm; width 1-1.5m; length 1-500m; density 0.7-1.5g/cm³
Performance: It has the characteristics of thermal stability, high and low temperature resistance, corrosion resistance and so on.
Usage: It is the basic material for manufacturing various graphite seals. Packing rings, graphite strips, sealing gaskets, composite plates and cylinder gaskets can be made, which can be pasted on various metal surfaces to improve sealing performance.
| 项目 Items | 单位 Unit | 特性值 Speciality value | 备注 Remarks | |
| 使用温度范围 Temperature scope | ℃ | 200-3300 | 非氧化环境 Non-oxidizing atmosphere | |
| 氧化开始温度 Oxidation temperature | ℃ | 450 | 大气24小时 失重1% | |
| 抗拉强度 Tensile strength | MPa | ≥4.0 | 1910N负荷 burthe | |
| 压缩率 compressibility | % | 35-50 | 1910N负荷 burthe | |
| 回弹率 recovery | % | 12 | 1910N负荷 burthe | |
| 热传导 heat exchange | KCal/m.hr | 120 | ||
| 40 | ||||
| 比电阻 resistance | UΩ*cm℃ | 900 | ||
| 250000 | ||||
| 热膨胀系数 Heat expansion factor | 10-6/℃ | 5 | ||
| 10-4/℃ | 2 | |||
| 比热重 Lgnition loss | % | 450℃ | ≤1 | |
| 600℃ | ≤20 | |||
可根据用户要求调整指标