High Hardness Grinding Glass Beads

High Hardness Grinding Glass Beads  Product description High strength glass beads ( blasting and peening ) It takes compressed air as the momentum and uses glass bead as the medium, through high-speed and high-pressure jetting on the surface of workspace. Products after shot blasting can eliminate the tensile stress, lengthen the fatigue life, and improve its capacity for anti-stress corrosion.  Product feature Appearance: Round, clean, transparent, no sensible air bubble and impurity Composition content Sio2: 70% Al2o3: 0.5-2.0% MGO: 2.5% Fe2o3: 0.15% Cao: 8.0% Nao: 10.5% Others: 2.0% Percent rounds: 85 pct. Minimum Appearance & odor odorless white powder Specific gravity 2.4 2.6 g/CC Solubility in water insoluble pH (aqueous liquids only) n. A.  Other characteristics softening point 846° C Micro hardness: 630kg/mm2 Product specification models We can manufacture glass bead from 7000microns to 44 microns Application These p…

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