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PTFE filled sheets, rods, tubes
PTFE and Compounds
Virgin PTFE
Has a wide range of applications. Especially where no high mechanical strength is required and where the use of compounds is not allowed. Because of its purity, inertness, high temperature resistance and electrical isolating properties, PTFE finds most of its applications in chemical-, food-, pharmaceutical- and electro-industry.PTFE +25% Glass
Glassfilling slightly increases PTFE very low coefficient of friction, but considerably increases wear- and pressure- resistance. Used as construction material, for bearing pads, ball seals, machine parts a.s.o.PTFE Carbon
Carbon is one of the best fillers for chemical use. It features high heat-conductivity and high wear and pressure-resistance Recommended for dynamical seals.PTFE Ekonol 10%
Exceptional filler component to improve the mechanical properties without increasing the porosity. FDA approved. Used for lip seals, back up rings a.s.o.PTFE +60% Bronze
This compound combines a low coefficient of friction with a high pressure resistance. Both these properties make this a bearing-material by excellence.| Property | Norm | Unit | Virgin PTFE | 25% Glassfiber | 15% Glass-fiber 5% MoS2 | 25% Carbon | 10% Ekonol | 7% P84 5% Graphite | 60% Bronze |
| Density | ISO 12086 | g/cm2 | 2,14 - 2,18 | 2,20 - 2,24 | 2,22 - 2,25 | 2,08 - 2,12 | 2,04 - 2,10 | 2,03 - 2,09 | 3,85 - 3,95 |
| Hardness Shore D | DIN 53 505 | Sh. D | 52 - 60 | 56 - 64 | 54 - 58 | 62 - 68 | 53 - 66 | 56 - 60 | 63 - 68 |
| Tensile strength (23°C) | DIN 53 455 | N/mm2 | 25 - 42 | 15 - 19 | 14 - 18 | 13 - 15 | 20 - 26 | 20 - 26 | 11 - 15 |
| Elongation at break (23°C) | DIN 53 455 | % | 250 - 400 | 220 - 260 | 200 - 230 | 40 - 70 | 250 - 320 | 220 - 300 | 110 - 140 |
| Tensile modulus (23°C) | DIN 53 457 | N/mm2 | 400 - 800 | 1000 | 750 | 1150 | 750 | 800 | |
| Coefficient of thermal expansion (20-150°C) | 1/K 10-5 | 12 | 10 | 10,2 | 9 | 11 | 10 | 9 | |
| Coefficient of thermal expansion (150-260°C) | 1/K 10-5 | 16 | 13,4 | 13,5 | 12 | 14 | 13 | 12,3 | |
| Thermal conductivity (23°C) | DIN 52 612 | W/K.m | 0,23 | 0.46 | 0,35 | 0,60 | 0,32 | 0,46 | 0,77 |
| Deformation after 24h at 23°C - 15 | ASTM-D621v | % | 16,00 | 12,50 | 12,00 | 4,00 | 12,00 | 8,00 | 4,20 |
| Deformation after 24h at 260°C - 4 | ASTM-D621 | % | 7,00 | 4,80 | 5,00 | 1,60 | 5,00 | 3,60 | 2,80 |
| Compr. strength at 1% deformation (23°C) | DIN 53 454 | N/mm2 | 4,30 | 8,20 | 6,90 | 14,00 | 6,20 | 7,80 | 13,00 |
| PV-limit 3 m/min | N.M mm2.min | 2,50 | 23 | 25 | 18 | 25 | 21 | ||
| PV-limit 30 m/min | N.M mm2.min | 3,90 | 25 | 28 | 22 | 29 | 27 | ||
| PV-limit 300 m/min | N.M mm2.min | 5,50 | 31 | 32 | 26 | 32 | 28 | ||
| Coeff. of friction - statical | 0,14 | 0,18 | 0,15 | 0,18 | 0,15 | 0,17 | |||
| Wear K 10-8 | cm3.min | 78 | 7,1 | 8,1 |