50-100um 100-150um SiO2 glass beads for blasting material
50-100um 100-150um SiO2 glass beads for blasting material 1 Description Glass bead is made of high quality material production and become, has certain mechanical strength, have enough flexibility, can be used multiple times is not easy and broken, the spray device, obvious effect, not hurting objects’ surface, long service life than ordinary glass bead more than