1. Heev yooj yim rau decompose, nyob rau hauv 200 degrees kub thiab hlau, tooj hu yog yooj yim dua decompose, decomposition Shi Yi corrosion, roj irritant, sib sau ua ib qhov me me kub;
2. Kev siv cov thawv hnoos tsis muaj cav, lub aperture yuav tsum loj, kom tsis txhob siv cov khoom tuag, tsis yog siv, yog qhov ntxig yuav tsum tau preheated;
3. Cov khoom siv amorphous, kev nqus dej noo me me, tsis muaj dej txaus, txhawm rau txhim kho cov dej, tiv thaiv npuas, yas siv ua ntej pwm casting system yuav tsum luv, lub qhov rooj tshooj seem yuav tsum loj, yuav tsum tsis muaj qhov kawg pwm yuav tsum txias, nplaum chrome.
