|
PROPERTIES |
TEST METHOD |
VALUES FPS UNITS |
TEST METHOD |
VALUES METRIC UNITS |
| SPECIFIC GRAVITY | ASTM D297 | 1.40 | DIN 53508 | 1.40 |
| HARDNESS | ASTM D2240 | 65 ± 5 SH A | DIN 53505 | 65 ± 5 SH A |
| TENSILE STRENGTH ( MIN ) | ASTM D412 | 1425 PSI | DIN 53504 | 100 KG/CM2 |
| ELONGATION AT BREAK ( MIN ) | ASTM D412 | 350% | DIN 53504 | 350% |
| COMPRESSION SET (70ºC/24 HRS/25% SET) (MAX) | ASTM D395 METHOD B | 40% | DIN 53517 | 40% |
| POLYMER CONTENT: | 100% | |||
| TEAR RESISTANCE ( ANGULAR ) MIN | ASTM D624 | 140 LBS/INCH | DIN 53515 | 25 KG/CM |
| CHANGE IN PROPERTIES | ||||
| HEAT AGEING ( 72 HRS. AT 70ºC ) | ASTM D573 | |||
| — HARDNESS (PTS) | + 3 (MAX) | + 3 (MAX) | ||
| — TENSILE STRENGTH (%) | + 10 / – 10 | + 10 / – 10 | ||
| — ELONGATION AT BREAK (%) | + 10 / – 10 | + 10 / – 10 | ||
| VOLUME SWELL : AT 70ºC FOR 72 HRS/IN | ASTM D 471 | |||
| ASTM OIL NO.1 | + 10% | + 10% | ||
| ASTM OIL NO.2 | + 18% | + 18% | ||
| ASTM OIL NO.3 | + 25% | + 25% | ||
| POLYMER CONTENT (HYPALON) | ||||
| CHEMICAL RESISTANCE | ||||
| — OZONE | ASTM D 1149 | EXCELLENT | EXCELLENT | |
| — DILUTE ACIDS AND BASES | EXCELLENT | EXCELLENT | ||
| — CONCENTRATED ACIDS AND BASES | GOOD | GOOD | ||
| — OILS | GOOD | GOOD | ||
| — SOLVENTS | FAIR | FAIR | ||
| TEMPERATURE RANGE | -30 TO +180oC | |||
| COLOUR | BLACK | |||






























































