PP + calcium Hmoov, Cov Khoom Siv Rooj Tog Sab Nraud Zoo Rau Ib Puag Ncig

Kev siv cov rooj tog zaum sab nraum zoov tau nce zuj zus, thiab cov khoom siv ib txwm raug txwv los ntawm lawv cov khoom siv nws tus kheej, xws li cov ntaub ntawv hlau hnyav thiab corrodible, thiab cov khoom ntoo tsis zoo rau huab cua tsis zoo, txhawm rau ua kom tau raws li kev lag luam, peb cov khoom tsim tshiab PP nrog calcium hmoov. Raws li cov khoom tseem ceeb ntawm cov khoom siv ntoo vaj huam sib luag, nws tau lees paub los ntawm kev ua lag luam, thiab kev cia siab rau kev lag luam yog qhov tseem ceeb heev.

Nws qhov zoo: siv tau dua, cov khoom zoo rau ib puag ncig; lub neej ntev, tsis muaj kev saib xyuas kiag li; tsis muaj xeb, lwj thiab tev tawv; zoo li ntoo cuav, cov khoom sib txawv kom tau raws li tus neeg xav tau.