|
PROPERTIES |
TEST METHOD |
VALUES FPS UNITS |
TEST METHOD |
VALUES METRIC UNITS |
| SPECIFIC GRAVITY | ASTM D297 | 1.25 ± 0.05 | DIN 53508 | 1.25 ± 0.05 |
| HARDNESS | ASTM D2240 | 50 ± 5 SH A | DIN 53505 | 50 ± 5 SH A |
| TENSILE STRENGTH ( MIN ) | ASTM D412 | 1280 PSI | DIN 53504 | 90 KG/CM2 |
| ELONGATION AT BREAK ( MIN ) | ASTM D412 | 300% | DIN 53504 | 300% |
| COMPRESSION SET (70ºC/24 HRS/25% SET) (MAX) | ASTM D395 METHOD B | 40% | DIN 53517 | 40% |
| TEAR RESISTANCE ( ANGULAR ) MIN | ASTM D624 | 123.2 LBS/INCH | DIN 53515 | 22 KG/CM |
| CHANGE IN PROPERTIES | ||||
| HEAT AGEING ( 72 HRS. AT 70ºC ) | ASTM D573 | |||
| — HARDNESS (PTS) | + 5 (MAX) | + 5 (MAX) | ||
| — TENSILE STRENGTH (%) | + 10 / – 10 | + 10 / – 10 | ||
| — ELONGATION AT BREAK (%) | + 10 / – 20 | + 10 / – 20 | ||
| VOLUME SWELL : AT 70ºC FOR 72 HRS/IN | ASTM D 471 | |||
| ASTM OIL NO.1 | NOT RECOMMENDED | NOT RECOMMENDED | ||
| ASTM OIL NO.2 | NOT RECOMMENDED | NOT RECOMMENDED | ||
| ASTM OIL NO.3 | NOT RECOMMENDED | NOT RECOMMENDED | ||
| POLYMER CONTENT (EPDM) | 100% | 100% | ||
| CHEMICAL RESISTANCE | ||||
| — OZONE | ASTM D 1149 | EXCELLENT | EXCELLENT | |
| — DILUTE ACIDS AND BASES | EXCELLENT | EXCELLENT | ||
| — CONCENTRATED ACIDS AND BASES | EXCELLENT | EXCELLENT | ||
| TEMPERATURE RANGE | -30º TO + 130ºC | -30º TO + 130ºC | ||
| COLOUR | BLACK | |||
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