柔性石墨卷材
产品简介
详细信息
规格：厚度0.15-1.5mm；宽度1-1.5 m；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。
Specification : Thickness from 0.15 to 1.5mm , Width from 1 to 1.5m , Length from 1 to 500m , density from 0.7 to 1.5g/cm3 .
Advantages : Excellent heat stability , resistance to high or low temperature , corrosion resistance etc .
Usage : As underpinning to make kinds of graphite sealing member to be used to make packing ring , graphite bａnd , sealing mattress , reunite sheet , cylinder mattress , pasted on metal surface , improved leak proofness .
| 项目 Items | 单位 Unit | 特性值 Speciality value | 备注 Remarks | |
| 使用温度范围 Temperature scope | ℃ | 200-300 | 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% 24 hours，lgnition loss 1% | |
| 抗拉强度 Tensile strengh | MPa | ≥4.0 | 1910N负荷 Burthen | |
| 压缩率 Compressibility | % | 35-50 | 1910N负荷 Burthen | |
| 回弹率 Recovery | & | 12 | 1910N负荷 Burthen | |
| 热传导 Heat exchange | KCal/m.hr | 120 | | |
| 40 | ||||
| 比电阻 Resistence | UΩ.cm℃ | 900 | | |
| 250000 | ||||
| 热膨胀系数 Heat expansion factor | 10-6 /℃ | 5 | | |
| 10-4 /℃ | 2 | |||
| 热失重 Lgnition loss | % | 450℃ | ≤1 | |
| 600℃ | ≤20 | |||
可根据用户要求调整指标。