Xov xwm kev lag luam
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Yuav ua li cas xaiv cov sealant qhov rooj thiab qhov rai, koj puas tuaj yeem txheeb xyuas cov sealant uas muaj roj?
Qhov zoo thiab tus nqi ntawm cov roj hmab silicone rau qhov rooj thiab qhov rai hauv khw tsis sib npaug, thiab qee qhov pheej yig heev, thiab tus nqi tsuas yog ib nrab lossis qis dua li cov khoom lag luam zoo sib xws. Cov khoom siv lub cev thiab kev tiv thaiv kev laus ntawm cov roj hmab silicone rau qhov rooj thiab qhov rai uas pheej yig thiab tsis zoo no...Nyeem ntxiv -
Cov tshuaj nplaum silicone yog dab tsi? Qhov txawv ntawm cov tshuaj nplaum silicone neutral acid yog dab tsi?
1. Cov tshuaj nplaum silicone yog dab tsi? Cov tshuaj nplaum silicone yog cov tshuaj nplaum ua los ntawm polydimethylsiloxane ua cov khoom siv tseem ceeb, ntxiv los ntawm cov neeg sawv cev sib txuas, cov khoom sau, cov khoom yas, cov neeg sawv cev sib txuas, thiab cov tshuaj catalyst hauv lub xeev nqus tsev. Nws hla dhau ntawm qhov kub thiab txias hauv chav. Reacts nrog w...Nyeem ntxiv