Nambarka rukhsadda ee nooca utility: ZL201520100356.2

Madaxa dubbe ee maran ayaa la tuuray iyadoo la adeegsanayo habka silica sol wuxuuna ka samaysan yahay maaddada ZG270-500 laba qaybood oo daawaha ah ayaa lagu dhejiyaa dabada madaxa dubbaha si loo gaaro burburinta labaad ee walxaha inta lagu jiro habka burburinta, taas oo kordhinaysa wax soo saarka iyo ganaax. .

Daawadu waxay ka samaysan tahay CL35 ama ZL10A Zigong alloy, dusha hoose waa mid siman, muuqaalku waa qurux badan yahay, moodooyinkana waa dhammaystiran yihiin.