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Four Fluorine spacers |
Four Fluorine spacers |
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Four Fluorine glass crosses the connecting device |
Excellent material of four Fluorine |
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 Technical feature index of four Fluorine graphite: |
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Serial number |
Technical indicator |
Unit |
Number value |
1 |
Density |
g/cm2 |
2.1-2.3 |
2 |
Tensile strength |
Mpa |
≥25.5 |
3 |
Rupturing and extending rate |
% |
≥250 |
4 |
Shi's hardness of the cloth |
Kg/cm2 |
4.54 |
5 |
Heat conduction coefficient |
Kcal/m h/℃ |
0.21 |
6 |
Coefficient of expansion of line |
Cm/℃ |
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-100℃ |
1.09×10-4 |
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-50℃-0℃ |
1.13×10-4 |
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0-50℃ |
1.23×10-4 |
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50-100℃ |
1.34×10-4 |
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100-150℃ |
1.365×10-4 |
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150-200℃ |
1.69×10-4 |
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200-250℃ |
2.165×10-4 |
7 |
Resistivity of volume |
Ω/cm |
≥1017 |
8 |
Resistivity of surface |
Ω |
≥1014 |
9 |
worth that the medium losses the tangent |
Kv/mm |
≤2.5×10-4 |
10 |
Intensity of medium |
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≥60 |
11 |
Coefficient of friction |
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0.04-0.15 |
12 |
warm to be able to bear |
℃ |
-180～260 |
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