Ibizwa nangokuthi i-A grade Fused silica Powder enobumsulwa obuphezulu iSio2 cishe ku-99.7% -99.9%.
Itshe le-quartz elihlanzekile kakhulu elisuka endaweni yase-Lianyungang, e-Donghai nase-Xinyi likhethwe njengezinto ezingavuthiwe.Ngemuva kokwelashwa kokukhetha, i-crystalline silica yaguqulwa yaba i-silica amorphous enenani elincane lokungcola ku-1700ºC izinga lokushisa eliphezulu esithandweni sokumelana.Ngemuva kokucubungula okukhethekile kwemishini, ukuhlolwa, ukukhishwa kwensimbi ngemva kokukhetha ukwelashwa kwamatshe e-quartz ahlanzekile kakhulu ukuze kwakhiwe amabhlogo, izinhlayiya kanye nemikhiqizo ye-powder.I-Fused Micron powder ikhethe izinto ezihlanzekile zequartz, ezenziwe ngokwemibandela yokuhlanzwa, ukugaya, ukuncibilika, ukugaya okuphezulu, ukuhlukaniswa ngokunemba.