... ,EPDM NBR NRFeaturesHigh and low temperature resistance, weather resistance, high and low pressure resistance, oil resistance, non-toxic, Safety and Health, high quality & low price.ColoravailableSizeall ... or customized 3. Shore Durometer A:30A-80A 4. Large Size Rang:OD1.0mm ~80mm; ID 0.3mm~ 79mm5. Tolerance:+/-0 ...