Hauv kev tsim khoom lag luam, ua tiav kev siv xim zoo meej thiab kev sib dhos yog qhov tseem ceeb rau cov khoom lag luam rov qab thiab ua tau zoo. Ib qho ntawm cov kev daws teeb meem zoo tshaj plaws kom ua tiav cov hom phiaj no yog los ntawm kev siv ntawm masterbatch titanium dioxide. Tus haib no additive tsis tsuas enhan ...