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Pure Virgin PTFE Material :
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| Specific gravity |
DIN 53479 |
2.13 - 2.18 gms per cc |
| Tensile strength |
DIN 53479 |
200 - 380 kgs per sq.cm |
| Breaking elongation |
DIN 53479 |
250 -450 % |
| Elastic modulus |
DIN 53457 |
7500 kg per sq.cm |
| Torsional strength |
DIN 53447 |
1600 kg per sq.cm |
| Impact strength ( Izod) |
DIN 53447 |
no break, at 23 deg C
16 cm / cm, at -56 deg C
33 cm/cm, at 77 deg C |
| Hardness Shore D |
DIN 53505 |
55 - 59 |
| Compressive strength |
DIN 53455 |
70 kg per sq.cm |
| Thermal conductivity |
DIN 52612 |
0.2 - 0.4 K cal per m.h.deg C |
| Specific heat |
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0.25 per kg deg C |
| Dielectric strength |
DIN 53841 |
20 - 30 kv per mm |
| Water absorption |
DIN 53472 |
0 % |
| Coefficient of friction on smooth steel |
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0.04 |
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| * |
Value measured are as per existing ASTM standards |
| * |
Values are indicative only |
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Data sheets of other grades avalable on request
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