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Material | Fluoropolymer | |||||||||||||
Properties | Standard | Unit | TFM | PTFE Virgin |
PTFE D05 |
PTFE D08 |
PTFE Glass |
PTFE I | PTFE II | PTFE D46 |
PTFE Carbon |
PTFE E-Carbon |
PTFE Graphite |
PTFE Ekonol |
Glass 15% |
Glass 25% |
Glass/ MoS2 |
Bronze 40% |
Bronze 46% |
Carbon 25% |
Graphite 15% |
Ekonol 10% |
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Color | White | White | Turquoise | Orange | White | Grey | Brown | Green | Black | Black | Dark Grey | Cream | ||
Hardness | ISO 868 | Shore D | 57±3 | 55±3 | 57±3 | 62±3 | 60±3 | 58±3 | 60±3 | 63±3 | 67±3 | 60±3 | 60±3 | 56±3 |
Ball indentation hardness |
DIN 53456 H135/30 |
MPa | 23±5 | 23±5 | 28±5 | 24±5 | 24±5 | 27±5 | 33±5 | 35±5 | 35±5 | 30±5 | 26±5 | 28±5 |
Tensile strength | ASTM D 4745-79 |
MPa | 30 | 27 | 31 | 26 | 17 | 16 | 22 | 24 | 12 | 24 | 14 | 20 |
Elongation at break | ASTM D 4745-79 |
% | 400 | 250 | 270 | 300 | 170 | 185 | 200 | 170 | 45 | 250 | 110 | 250 |
Compressive strength | DIN 53455 | MPa | 4 | 4 | 8 | 8 | 8 | 10 | 10 | 11 | ||||
Thermal conductivity | DIN 52612 | J*103/m*h*k | 0.22 | 0.8 | 0.8 | 1.1 | 1.3 | 1.1 | 4 | 4.2 | 3.5 | 3.5 | 4 | 5.4 |
Coefficient of thermal expansion |
K-1*10-5 | 12-17 | 19 | 19 | 10 | 10.7 | 13 | 8 | 8.5 | 10.9 | 10.9 | 11.2 | 8.4 | |
Coefficient of friction | 0.08 | 0.08 | 0.13 | 0.16 | 0.13 | 0.13 | 0.15 | 0.17 | 0.18 | 0.14 | 0.18 | |||
Spec. gravity | DIN 53479 | kg/㎥ | 2150 | 2170 | 2230 | 2210 | 2260 | 3110 | 3200 | 2060 | 2140 | 2130 | 2040 | |
Temperature min. | ℃ | -200 | -200 | -200 | -200 | -200 | -200 | -200 | -200 | -200 | -200 | -200 | -200 | |
Temperature max. | ℃ | 260 | 260 | 260 | 260 | 260 | 260 | 260 | 260 | 260 | 260 | 260 | 260 | |
Young's modulus | DIN 53457 | MPa | 640 | 540 | 540 | 1320 | 1320 | 1375 | 1420 | |||||
FDA-approval | V | V | V | V | ||||||||||
The test results are average-results measured from test specimen and cannot be transferred to seal applications. |