|
PROPERTIES |
TEST METHOD |
VALUES FPS UNITS |
TEST METHOD |
VALUES METRIC UNITS |
| SPECIFIC GRAVITY | ASTM D297 | 1.40 ± 0.05 | DIN 53508 | 1.40 ± 0.05 |
| HARDNESS | ASTM D2240 | 60 ± 5 SH A | DIN 53505 | 60 ± 5 SH A |
| TENSILE STRENGTH ( MIN ) | ASTM D412 | 1140 PSI | DIN 53504 | 60 KG/CM2 |
| ELONGATION AT BREAK ( MIN ) | ASTM D412 | 350% | DIN 53504 | 350% |
| COMPRESSION SET (70 ºC/24 HRS/25% SET) (MAX) | ASTM D395 METHOD B | 40% | DIN 53517 | 40% |
| TEAR RESISTANCE ( ANGULAR ) MIN | ASTM D624 | 112 LBS/INCH | DIN 53515 | 20 KG/CM |
| CHANGE IN PROPERTIES | ||||
| HEAT AGEING ( 72 HRS. AT 70 ºC ) | ASTM D573 | |||
| — HARDNESS (PTS) | + 4 (MAX) | + 4 (MAX) | ||
| — TENSILE STRENGTH (%) | + 10 / – 15 | + 10 / – 15 | ||
| — ELONGATION AT BREAK (%) | + 10 / – 20 | + 10 / – 20 | ||
| VOLUME SWELL : AT 70º C FOR 72 HRS/IN | ASTM D 471 | |||
| ASTM OIL NO.1 | + 3 % | + 3 % | ||
| ASTM OIL NO.2 | + 16% | + 16% | ||
| ASTM OIL NO.3 | + 20% | + 20% | ||
| POLYMER CONTENT (NITRILE) | 100% | 100% | ||
| CHEMICAL RESISTANCE | ||||
| — OZONE | ASTM D 1149 | FAIR | FAIR | |
| — DILUTE ACIDS AND BASES | GOOD | GOOD | ||
| — CONCENTRATED ACIDS AND BASES | NOT RECOMMENDED | NOT RECOMMENDED | ||
| — OILS | GOOD | GOOD | ||
| — SOLVENTS | FAIR | FAIR | ||
| TEMPERATURE RANGE | -25º TO + 110º C | -25º TO + 110º C | ||
| COLOUR | RAL 5012 BLUE | RAL 5012 BLUE | ||
| POLYMER CONTENT (%) | 100 | |||
Test Name – Determination of Amount of extractives
Method: With reference to US FDA 21 CFR 177.2 00
| 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 |