I-Ruifbier Laboratory yenza uvavanyo malunga nephepha elidityanisiweyo lokuqina kweteyiphu yokudibanisa kunye nekhompawundi ngokwendlela ye-ASTM strand.
Sifumene ukuba imilinganiselo yokubambelela kunye nokudibanisa kwamacwecwe ephepha kunye ne-brashied surface ingcono kakhulu kunezo ziqhelekileyo.
Ixesha lokuposa: Dec-22-2022