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Properties | test method |
| test method |
| ||||
---|---|---|---|---|---|---|---|---|
SPECIFIC GRAVITY | DIN 53508 | 1.20 ± 0.05 | ASTM D297 | 1.20 ± 0.05 | ||||
HARDNESS | DIN 53505 | 40 ± 5 Sh A | ASTM D2240 | 40 ± 5 Sh A | ||||
TENSILE STRENGTH ( min ) | DIN 53504 | 858 PSI | ASTM D412 | 60 kg/cm2 | ||||
ELONGATION AT BREAK ( min ) | DIN 53504 | 200% | ASTM D412 | 200% | ||||
COMPRESSION SET (70º C/24 hrs/25% set) (max) | DIN 53517 | 40% | ASTM D395 METHOD B | 40% | ||||
TEAR RESISTANCE ( Angular ) min | DIN 53515 | 112 Lbs/Inch | ASTM D624 | 20 Kg/cm | ||||
Polymer Content (%) | 100 | 100 | ||||||
CHANGE IN PROPERTIES | ||||||||
HEAT AGEING ( 72 hrs. AT 100 ºC ) | ASTM D573 | |||||||
--- HARDNESS (Pts) | + 3 (Max) | + 3 (Max) | ||||||
--- TENSILE STRENGTH (%) | + 5 / - 5 | + 5 / - 5 | ||||||
--- ELONGATION AT BREAK (%) | + 5 / - 5 | + 5 / - 5 | ||||||
VOLUME SWELL : AT 70º C FOR 72 HRS/IN | ASTM D 471 | |||||||
IRM OIL NO.1 | + 5% | + 5% | ||||||
IRM OIL NO.2 | + 7% | + 7% | ||||||
IRM OIL NO.3 | + 25% | + 25% | ||||||
CHEMICAL RESISTANCE | ||||||||
--- OZONE | DIN 53508 | EXCELLENT | ASTM D 1149 | EXCELLENT | ||||
--- DILUTE ACIDS AND BASES | EXCELLENT | EXCELLENT | ||||||
--- CONCENTRATED ACIDS AND BASES | EXCELLENT | EXCELLENT | ||||||
--- OILS | GOOD | GOOD | ||||||
--- SOLVENTS | FAIR | FAIR | ||||||
TEMPERATURE RANGE | -90 º to + 200º C | -90 º to + 200º C | ||||||
COLOUR | BLACK | BLACK |