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Properties Of Fluoro Polymers
HIGH MELTING POINT, 342 DEG C
HIGH THERMAL STABILITY
USEFUL MECHANICAL PROPERTIES AT EXTREMELY LOW AND HIGH TEMPERATURES
INSOLUBILITY
CHEMICAL INERTNESS
LOW COEFFICIENT OF FRICTION
EXCELLENT WEATHERABILITY
FLAME RESISTANCE
WEATHER AND UV RESISTANCE
PURITY
MECHANICAL PROPERTIES OF PTFE, PFA & FEP
Property | ASTM Standard | Unit | PTFE | FEP | PFA |
Specific Gravity | D792 | — | 2.15 | 2.15 | 2.15 |
Tensile Strength | D638 | psi | 3000-5000 | 2800-5000 | 4000-4500 |
Elongation | D638 | % | 300-500 | 250-330 | 280-400 |
Flexural Modulus | D790 | MPa | 496 | 586 | 586 |
(psi) | -72,000 | -85,000 | -85,000 | ||
Folding Endurance | D2176 | (MIT) | >106 | 5-80 x 103 | 10-500 x 103 |
cycles | |||||
Impact Strength | D256 | J/m | 189 | No Break | No Break |
(ft·lb/in) | -3.5 | ||||
Hardness | D2240 | Shore D pencil | 50-65 HB | 56 | 60 |
HB | |||||
Coefficient of Friction, Dynamic | D1894 | — | 0.05-0.10 | 0.08-0.3 | — |
GENERAL PROPERTIES OF PTFE, PFA & FEP
Property | ASTM Standard | PTFE | FEP | PFA |
Chemical/Solvent Resistance | D543 | Excellent | Excellent | Excellent |
Water Absorption 24h,% | D570 | <0.01 | <0.01 | <0.03 |
Deformation Under Load | *D621 100 ºC | 5 | 5 | 2.4 |
Deformation Under Load | **D621 25 ºC | 7 | 3 | 2.7 |
Refractive Index | 1.35 | 1.338 | 1.34 | |
Arc Resistivity, % Sec | D 495 | >300 | >300 | >300 |
>200 | >300 | >300 | ||
Limiting Oxygen Index, % | D2863 | >95 | >95 | >95 |
THERMAL PROPERTIES OF PTFE, PFA & FEP
| PROPERTY | UNIT | PTFE | FEP | PFA |
|---|---|---|---|---|
| Melting Point | °C | 327 | 260 | 305 |
| (°F) | -621 | -500 | -582 | |
| Upper Service | °C | 260 | 204 | 260 |
| Temperature(20000h) | (°F) | -500 | -400 | -500 |
| Flammability | UL 94 | V-0 | V-0 | V-0 |
| Thermal Conductivity | 1.7 | 1.4 | 1.3 | |
| BTU/hr/sq ft/deg F in | ||||
| Thermal Conductivity Cal-cm/s-cm2, ºC | 6 x 10-4 | 6 x 10-4 | 6 x 10-6 | |
| Linear Coefficient of Thermal Expansion | D 696 , 10-5 ºC | >11.6 | 8.3-10.5 | 13 |
| Heat of Fusion | BTU/LB | 29-37 | 11 | 13 |
| Heat of Combustion | BTU/LB | 2200 | 2200 | 2300 |
| Low Temperature Embrittlement | °C | -268 | -268 | -268 |
| (°F) | -450 | -450 | -450 |
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INNOVATIVE PROCESS SOLUTIONS PVT. LTD
Innovative Process Solutions Pvt. Ltd is a fully integrated Brand in Fluoro Polymer sector of Manufacturing of Lined Pipes, Fittings, and Valves. We are also into the manufacturing of Virgin PTFE Products like Bushes, Sheets, Rods, Bellows, Feed Pipes, Dip Pipes, and Ropes etc.