glass bead for sand blasting

glass beads for shot blasting and road marking at good prices and services from China.

Glass beads have  perfect spheres with a smooth, brilliant surface, chemically inert, widely used in wet or dry method for prestressing shot peening, cleaning, trimming, surface finishing,  smooth and deburring processing in industrial fields of aerospace, automotive, and electronics.

Applications:

Prestressing shot peening of gears, shafts, blades, cutting tools,   pipes, joints and delicate parts, propellers and hulls, jet engine components  blades, vanes, valves, spindles,  shafts  to increase the mechanical resistance to fatigue and stress corrosion cracking and work life of the parts.

Surface finishing of metal, plastic, glass, wood, etc to produce a surface with finishing from fine matt to bright satin.

Removing of debris from vats, tubes, trays, utensils, tanks, removing of old coating from surface.

Cleaning of machinery, dies, plates, molds, pistons, blocks, large turbines and engine castings, intricate parts.
 

Glass bead is chemical inert, so there is no surface contamination, post treatment for removal of   contamination smears is unnecessary.

Basic material : SiO: 65%

Shape : Spherical

Color : White

Specify :2.4-2.6

Hardness (Moh's) :5.5

Roundness :80% min

Microns Max             Microns Min

850             600

600             425

425             300

425             250

425             212

300             212

300             180

250             125

250             180

212             150

212             106

180            125

150             90

125            75

125             53

106            63

90             45

45            0

Reflective Glass Beads can perfectlyimprove visibility of the traffic markings and road signs and supply safer night drving conditions.

the glass beads can be pre-mixed to making of reflective thermoplastic paint or used to be dropped on the freshly stripped paint surface on the road to give immediate enhanced visibility to night drivers.

Chemical & Physical Properties

Basic material, SiO₂ 62%

Shape, Spherical

Color, Clear

Specify gravity, 2.4-2.6

Hardness (Moh's ), 5.5-6.0

Refractive Index, 1.5-1.6

Typical Chemical Contents

SiO₂, 72.60%

Na₂O, 13.40%

K₂O, 0.30%

Ca₂O ,8.02%

MgO, 2.80%

Al₂O₃,0.75%

Free Si, 0

Class A(Intermix or premix) 
Sieve Size Retained by % 
1180um 0-3 
850um 5-20 
425um 65-95 
<425um 0-10 

Class B(Drop On) 
Sieve Size Retained by % 
850um 0-5 
600um 5-20 
300um 30-75 
180 um 10-30 
<180um 0-15