MKD
Mathias Kraushaar Dichtungstechnik
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Plastics
Plastics
| Features | Norm | Einheit | POM | PA | UHMW- PE |
|---|---|---|---|---|---|
| Color | white | material | material | ||
| Hardness | ISO 868 | Shore A | 85+/-3 | 85+/-3 | 85+/-3 |
| Indentation- hardness | DIN53456 H135-30 | Mpa | >=160 | >=153 | >=34 |
| Specific weight | ISO 1183 | kg/m² | 1410 | 1130 | 930 |
| Ultimate tensile strength | DIN53504 ISO 527 | Mpa | >=70 | >=80 | >=40 |
| Ultimate elongation | DIN 53 504 | % | >=40 | >=40 | >=350 |
| Compression strength | DIN 53 455 | Mpa | >=88 | >=110 | >=88 |
| Linear thermal expansion- coefficient | ISO 11359 | K-1x105 | 7 | 8 | 15 |
| Thermal- conductivity | DIN 52612 | Jx103 (mxhxK) | 0,25 | 0,29 | 0,45 |
| Sliding friction- coefficient | 0,28 | 0,4 | 0,25 | ||
| Notched impact strength | ISO 180/ 1A | kJ/m² | 130 | ||
| E-Module tensile test | DIN 53457 | Mpa | 3000 | 3000 | 680 |
| Min. operating- temperature | °C | -45 | -40 | -200 | |
| Max. operating- temperature | °C | 100 | 110 | 80 |
Sliding friction under dry-running conditions against steel 16MnCr5; v=0,6m/sec; p=0,05MPa; t=5h