Titanium dioxide (TiO2) yog ntau yam sib xyaw uas tau pom cov ntawv thov hauv kev lag luam xws li xim thiab txheej rau cov yas thiab tshuaj pleev ib ce. Nws cov khoom tshwj xeeb, xws li durability, hardness, thiab hnav tsis kam, ua rau nws zoo tagnrho rau kev siv abrasive, e ...
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