... shipment. 2. Large stock quantity. 3. Heat-proof o-ring cord. 4. AS568, BS, JIS, metric sizes all available. Description ... etc.2. Characteristics: good physical and chemical properties o-ring cord. 3. Hardness: 30~90 shore A or IRHD as ... NSF, KTW, WRAS, LFGB, etc. 8. Applications: automobile o-ring cord, electrical appliance, mechanical, industrial, construction, household, medical and other fields ...