good quality and accurate

Glass Bead for Grinding 

Grinding media and filler materials, paint, ink and chemical industry. 

Technical references:
A: Clean and transparent

B:  Specific gravity: 2.5g/cm3
C: Hardness: 6-7
D: Compressive strength: 1200N

Size: 1-1.5mm,1.5-2mm,2.0-2.5mm,3.0-3.5mm3.5-4mm,4-4.5mm or as required.

The glass microsphere,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.