Khoom qhia: Butyl roj hmab sealing daim kab xev yog tsim los ntawm butyl roj hmab thiab polyisobutylene thiab lwm yam ntaub ntawv, compounded nrog cov ntaub ntawv polymer, uas muaj lub luag hauj lwm ntawm nplaum sealing elastic ib sab los yog ob-sab hnyav-dawb sealing daim kab xev Khoom feature: 1.High zog.High...
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