... standard tolerance. 5. Color: black waterproof rubber seal strip, transparent, green, red, yellow, grey, purple, pink waterproof rubber seal strip, etc. or upon your color codes ... , KTW, WRAS, LFGB, etc. 8. Applications: automobile waterproof rubber seal strip, electrical appliance, mechanical waterproof rubber seal strip, industrial, construction, household, medical and other fields. 9 ...