Solid Glass Microsphere
The SGMs are glass solid spheres whose diameters are micro. The glass,
composed of Si, Na and Ca, are broken and calcined by high
temperature after which the said microspheres are obtained. With
properties of the high roundness rate, better hardness, excellent anti-
friction and direct reflect light , etc, they are widely applied in the fields
of plastic rubber, abrasion ground, blast derusting,road-reflect dope and
handicraft lamp, etc.
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