Material code | Material type | hardness | Occasion of use |
NBR | nit rile | 80 | Hydraulic oils, ethylene glycol and oils in water-rich emulsions, inorganic and vegetable oils, hot water, fuels, petroleum, dilute acids,alkalis and low temperature solutions, siloxane oils and greases. |
SBR | styrene butadient | 80 | Hot water, oxygen, water, machinery oil, animal and plant oil, fireproof hydraulic fluid, diluted salt solution, ozone, etc |
CR | Neoprene | 70 | Salt water, common refrigerant, carbon dioxide, non-oxidizing dilute acid, base, etc |
EPDM | Ethylene Propylendiene | 80 | Water, alcohol, ethylene glycol, ketone, siloxane oil and grease, weak acid, etc. |
FKM | Viton | 75 | Hot oils, aromatic solvents, chemicals, vegetable oils, greases, natural gas, alkenes (including alcohol), high vacuum, steam, oxygen extraction, hot water, dilute acid, etc. |
SI | silicone | 70 | Hot air, oxygen, water, oil of machinery and transmission, animal and plant oil and grease, brake oil without oil, fire pressure fluid,diluted salt solution, ozone, etc. |
IIR | Butyl | 80 | Hot water, grease, acid, alkali solution, electrode solution, ozone, salt solution, etc |
NR | Natural Rubber | 65 | Inorganic salts, ammonia, weak acids and bases, etc. |
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