Carbon fiber raises hardness, lowers creep, and increases compressive and flexural modulus. The advantage of using Carbon fiber instead of glass fiber is that Carbon fiber is inert to HF and strong bases.
Carbon fiber-filled PTFE materials have higher thermal conductivity and a lower coefficient of friction than their glass fiber counterparts. Carbon fiber-filled PTFE materials have a long wear life and excellent extrusion resistance. As their glass fiber equivalents, carbon fiber-filled PTFE materials are used in seal components for static and dynamic application and against chromium plate and steel.
PBY Material Codes:
PB10203G - 15% Carbon Fiber Filled PTFE
PB10200W - 5% Carbon Fiber Filled PTFE
Improved Compression and Wear Resistance
Excellent Chemical Resistance
High Strength Properties
15 % carbon fibers filled PTFE sheets are used in dynamic seal applications with rotating and alternating movements
It is thoroughly used in seals that require a high-pressure resistance to wear. (Piston Rings for unlubricated compressors and bearing).
This product meets AMS3678/10 requirements.
Property | Test Method | Units | Typical Value |
---|---|---|---|
Color | - | - | Black |
Specific Gravity | ASTM D792 | - | 2.00 - 2.050 |
Hardness Shore D | ASTM D2240 | - | 62 - 72 |
Tensile Strength, min. | ASTM D4745 | PSI [MPa] | 2,800 [19.3] |
Elongation at Break, min. | ASTM D4745 | % | 190 |
Second Melt Peak Temp. | ASTM D3418 | °F [°C] | 621 [327] |
Glass Transition Temp. | ASTM D3418 | °F [°C] | -143 [-97]; 246 [119] |
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