Synthetic amorphous silica yog ib hom kev tiv thaiv kev tiv thaiv zoo heev, tus neeg sawv cev tiv thaiv kev sib khi thiab tus neeg sawv cev qhib, uas tuaj yeem siv los ua tus neeg saib xyuas zoo rau polyolefin IPP zaj duab xis thiab polyethylene LDPE zaj duab xis.
