Impregnated electrode physical and chemical indicators
项目 ltem |
单位 Unit |
公称直径Norminal Diameter (mn) | ||
200~$400 | 450~$600 | |||
优级 Top class | 优级 Top class | |||
电阻率不大于 Resistivity(max) |
电极 Electrode |
u Qm | 7 | 7.5 |
接头 Nipple |
6 | 6 | ||
抗折强度―不小于 Flexible strength(min) |
电极 Electrode |
Mpa | 9 | 8 |
接头 Nipple |
13 | 13 | ||
弹性模量不大于 odulus elasticity(max) |
电极 Electrode |
Gpa | 12 | 12 |
接头 Nipple |
14 | 14 | ||
体积密度―不小于 Bulk density (min) |
电极 Electrode |
g/cm' | 1.65 | 1.65 |
接头 Nipple |
1.72 | 1.72 | ||
灰分不大于 Ash content(max) | % | 0.3 | 0.3 | |
热膨胀系数不大于 (100~600oC) |
电极 Electrode |
x10/c | 2.7 | 2.7 |
接头 Nipple |
2.5 | 2.5 | ||
注:灰分、热膨系数为参考指标。Note:sah content and coefficient of thermal expansion are reference index |