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 |
单位 |
特性值 |
备注 |
|
|
使用温度范围 |
℃ |
200-300 |
非氧化环境 |
|
|
氧化开始温度 |
℃ |
450 |
大气24小时 失重1% |
|
|
抗拉强度 |
MPa |
≥4.0 |
1910N负荷 |
|
|
压缩率 |
% |
35-50 |
1910N负荷 |
|
|
回弹率 |
& |
12 |
1910N负荷 |
|
|
热传导 |
KCal/m.hr |
120 |
|
|
|
40 |
||||
|
比电阻 |
UΩ.cm℃ |
900 |
|
|
|
250000 |
||||
|
热膨胀系数 |
10-6 /℃ |
5 |
|
|
|
10-4 /℃ |
2 |
|||
|
热失重 |
% |
450℃ |
≤1 |
|
|
600℃ |
≤20 |
|||
可根据用户要求调整指标。
