—— "Microcapsule sealant" thev naus laus zis, zaj duab xis-sensitive, 3M tus qauv, paub txog kev hloov pauv hauv tsev! PCR sealing zaj duab xis yog ib zaj duab xis ua los ntawm pob tshab PE, PP, PTE lossis PVC zaj duab xis thiab ib txheej ntawm cov kua nplaum pob tshab. Lub sealing zaj duab xis tuaj yeem tiv thaiv cov kua hauv PCR pla ...
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