|
PROPERTIES |
TEST METHOD |
VALUES FPS UNITS |
TEST METHOD |
VALUES METRIC UNITS |
| SPECIFIC GRAVITY | DIN 53508 | 1.40 ± 0.05 | ASTM D297 | 1.40 ± 0.05 |
| HARDNESS | DIN 53505 | 60 ± 5 SH A | ASTM D2240 | 60 ± 5 SH A |
| TENSILE STRENGTH ( MIN ) | DIN 53504 | 715 PSI | ASTM D412 | 50 KG/CM2 |
| ELONGATION AT BREAK ( MIN ) | DIN 53504 | 300% | ASTM D412 | 300 |
| COMPRESSION SET (70 ºC/24 HRS/25% SET) (MAX) | DIN ISO 815-1 | 40% | ASTM D395 METHOD B | 40 |
| TEAR RESISTANCE ( ANGULAR ) MIN | DIN 53515 | 101 LBS/INCH | ASTM D624 | 18 KG/CM |
| CHANGE IN PROPERTIES | ||||
| HEAT AGEING ( 72 HRS. AT 70 ºC ) | ASTM D573 | |||
| — HARDNESS (PTS) | + 5 (MAX) | + 5 (MAX) | ||
| — TENSILE STRENGTH (%) | + 10/ – 10 | + 10/ – 10 | ||
| — ELONGATION AT BREAK (%) | + 10/ – 20 | + 10/ – 20 | ||
| POLYMER CONTENT (EPDM) | 100% | 100% | ||
| CHEMICAL RESISTANCE | ||||
| — OZONE | EXCELLENT | ASTM D 1149 | EXCELLENT | |
| — DILUTE ACIDS AND BASES | EXCELLENT | EXCELLENT | ||
| — CONCENTRATED ACIDS AND BASES | EXCELLENT | EXCELLENT | ||
| — OILS | NOT RECOMMENDED | NOT RECOMMENDED | ||
| — SOLVENTS | NOT RECOMMENDED | NOT RECOMMENDED | ||
| TEMPERATURE RANGE | -25º TO +140ºC | -25º TO +140ºC | ||
| COLOUR | WHITE – RAL 9003 | |||
Test Name – Determination of Amount of extractives Method : With reference to US FDA 21 CFR 177.2600
| EXTRACTANTS | TEST CONDITION | AMOUNT OF EXTRACTIVES MG/INCH² | ACCEPTABLE LIMIT MG/INCH² | CONCLUSION |
| 1 | ||||
| Distilled Water | 70 °C for 2 hours | 10 | 20 | Pass |
| n-Hexane | 70 °C for 2 hours | 100 | 175 | Pass |
| Note: | 1. mg/inch² denotes Milligram per square inch |
| 2. °C denotes Degrees Celsius |
