|
PROPERTIES |
TEST METHOD |
VALUES FPS UNITS |
TEST METHOD |
VALUES METRIC UNITS |
| SPECIFIC GRAVITY | DIN 53508 | 1.95 ± 0.05 | ASTM D297 | 1.95 ± 0.05 |
| HARDNESS | DIN 53505 | 65 ± 5 SH A | ASTM D2240 | 65 ± 5 SH A |
| TENSILE STRENGTH (KG/CM2) | DIN 53504 | 853 PSI | ASTM D412 | 60 KG/CM2 |
| ELONGATION AT BREAK ( MIN ) | DIN 53504 | 350% | ASTM D412 | 350% |
| ANTISTATIC CHARACTERISTIC | ASTM D257 | 106 | ASTM D257 | 106 |
| COMPRESSION SET (150ºC/24 HRS/25% SET) (MAX) | DIN 53517 | 40% | ASTM D395 METHOD B | 40% |
| CHANGE IN PROPERTIES | ||||
| HEAT AGEING ( 72 HRS. AT 150 ºC ) | ASTM D573 | |||
| — HARDNESS (PTS) | + 5 (MAX) | + 5 (MAX) | ||
| — TENSILE STRENGTH (%) | + 10 / -10 | + 10 / – 10 | ||
| — ELONGATION AT BREAK (%) | +15 / -15 | +15 / -15 | ||
| VOLUME SWELL : AT 150ºC FOR 24 HRS/IN |
ASTM D 471 |
|||
| IRM OIL NO.901 | -6% | -6% | ||
| IRM OIL NO.902 | -1% | -1% | ||
| IRM OIL NO.903 | +5% | +5% | ||
| CHEMICAL RESISTANCE | ||||
| — OZONE | EXCELLENT | ASTM D 1149 | EXCELLENT | |
| — DILUTE ACIDS AND BASES | EXCELLENT | EXCELLENT | ||
| — CONCENTRATED ACIDS AND BASES | EXCELLENT | EXCELLENT | ||
| — OILS | VERY GOOD | VERY GOOD | ||
| — SOLVENTS | VERY GOOD | VERY GOOD | ||
| TEMPERATURE RANGE | -30º TO + 275º C | -30º TO + 275º C | ||
| COLOUR | BLUE – RAL 5012 | |||
Extraction Data Test Results:
Extractive Substances from Rubber Articles intended for Repeated Use
Test method: With reference to FDA 21 CFR 177.2600 (e) & (f), total extraction under reflux temperature,
extractable substances are determined gravimetrically.
Limit: FDA 21 CFR 177.2600 (e) & (f)
The following simulating solvents and test conditions were stipulated:
|
FOOD SIMULANT |
TEST DURATION / TEMPERATURE |
| Distilled water | 7 h / boiling under reflux then 2 h / boiling under reflux |
| n-Hexane | 7 h / boiling under reflux then 2 h / boiling under reflux |
| Sample No.: | M001 | ||
|
EXTRACTED SUBSTANCE IN SIMULANT |
UNIT |
RESULT |
LIMIT |
| Distilled Water | |||
| – after 7 h reflux | mg/in² | <1 | 20 |
| – then after 2h reflux | mg/in² | <1 | 1 |
| n-Hexane | |||
| – after 7 h reflux | mg/in² | <1 | 175 |
| – then after 2h reflux | mg/in² | <1 | 4 |
Reporting Limit: 1 mg/in²
Abbreviations: mg/in2 = Milligram per
square inch < =Less than
