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PTFE (TEFLON) DATA SHEET
Mill Test Certificate of PTFE Rod and Sheet
1. Polytetrafluoroethylene (PTFE) by www.teflonthai.com or www.ptfethai.com
PTFE is the product of bearing the heat . Bearing the low temperature , Bearing to decay , Bearing to wear away, Bearing the high pressure . Ii is extensive applied to the national defense electronics . agrochemical .Medicine .machine Chemical engineering …etc. The operation usage.
. The physics function of PTFE :
|
Item |
Unit |
Value |
|
Content of PTFE |
% |
100 |
|
Content of Glass,etc |
% |
0 |
|
Colour |
Pure White |
|
|
Density of Sheet |
G/cm cubic |
2.25 |
|
Density of Rod |
G/cm cubic |
2.2 |
|
Density |
G/cm3 |
2.1-2.3 |
|
Tensile |
Kg/cm2 |
≥200 |
|
Elongation ratio |
% |
≥250 |
|
Friction Coefficient |
|
0.07 |
|
Temperature |
degreeC |
-160to+280 |
|
Impact |
Kg.cm/cm2 |
≥13 |
|
Hardness |
Shore D |
55-65 |
|
Impact |
Kg/cm2 |
>13 |
|
BH |
Kg/cm |
4.54 |
|
Coefficient of thermal conductivity |
KC/m.h |
0.21 |
|
Linear expansion cofficient |
-100℃ -50-0℃ 0-50℃ 50-100℃ 100-150℃ 150-200℃ 200-250℃ |
1.09×10-4 1.13×10-4 1.23×10-4 1.14×10-4 1.365×10-4 1.69×10-4 2.165×10-4 |
|
Volume compare to resistance |
Ohm cm |
≥10 |
|
Surface compare to resistance |
Ohm |
≥10 |
|
Electrolutic loss by angular 10 cycle |
|
1.8-2.2 |
|
Dielectric loss by angular 10 cycle |
|
≤2.5×10-4 |
|
Combustibility |
|
Un-combustibility |
|
Climate resistant |
|
Fine |
|
Speaking Voltage intersity by DC |
KV/MM (46) Gm |
≥60 |
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