1. NBR: Restistan to oil, pressure and wear, good elasticity and mechanical strength; Applicable to the mediums including water, oil, alcohol, etc from -20oC to 100oC
2. EPDM: Resistant to high or low temperatures, ozone and chemicals; Applicable to weak acids with temperatures from -35oC to 150oC
Viton Resistant to heat, oil, medicine and chemical reagents, acid and alkali with medium corrosive degrees; Applicable to the corrosive mediums from -20oC to 180oC
3. Silica Gel: Resistant to ozone, aging, acetic acid, ammonia and alcohol; Applicable to alcohol, alkali, etc from -50oC to 210oC
4. Chlorinated Rubber: Resistant to Freon, petroleum; Applicable to inorganic acid, alkali, running from -30oC to 130oC
Audited Supplier 
){kind=link}