Glass Beads

image ● Grinding Glass Beads
● Decorative Glass Beads
● Blasting Glass Beads

1. Grinding Glass Beads

GJ-I

GJ-I(Normal beads) Chemical composition Physical Characteristics Diameters:(mm)
As blasting, road-marking and grinding media, it has features of orystal, steady chemical change and low cost. SiO2
Al2O3
CaO
MgO
Na2O
Proportion:
2.45g/cm3
Artificial proportion:
1.5g/cm3
Micro-rigidity:
≥635kg/mm2
0.2-0.4  2.0-2.5
0.4-0.6  2.5-3.0
0.6-0.8  3.0-3.5
0.8-1.0  3.5-4.0
1.0-1.5  4.0-4.5
1.5-2.0  4.5-5.0

GJ-II

GJ-II(Intensive Beads) Chemical composition Physical Characteristics Diameters:(mm)
Boron silicate grinding glass beads has features of tenacity, wear resistance; steady chemical change and 7.2 PH-value are suitable both for grinding materials with low, middle adhesion and blasting processes. SiO2
Al2O3
CaO
BaO
Na2O
B2O3
Proportion:
2.5g/cm3
Artificial proportion:
1.5g/cm3
Micro-rigidity:
≥680kg/mm2
0.6-0.8  2.0-2.5
0.8-1.0  2.5-3.0
1.0-1.5  3.0-3.5
1.5-2.0  3.5-4.0

GJ-III

GJ-III(Wear-resisting Beads) Chemical composition Physical Characteristics Diameters:(mm)
Featured with high proportion, intensity, steady chemical change and less abrasive than zirconium oxide ones, wear-resisting glass beads are suitable both for both grinding materials with low, middle adhesion and wet or dry grinding media by micro-element processes. SiO2
Al2O3
CaO
BaO
Na2O
ZrO2
TiO2
Proportion:
2.8g/cm3
Artificial proportion:
1.65g/cm3
Micro-rigidity:
≥720kg/mm2
0.6-0.8  2.0-2.5
0.8-1.0  2.5-3.0
1.0-1.5  3.0-3.5
1.5-2.0  3.5-4.0

GJ-IV

GJ-IV(Pure White Beads) Chemical composition Physical properties Diameters:(mm)
Being of colorless, crystal, high-intensive, slightly abrasive and steadily chemical changing features, pure white beads are suitable for grinding high-grade and pure white materials. SiO2
Al2O3
CaO
BaO
Na2O
TiO2
Proportion:
2.7g/cm3
Artificial proportion:
1.6g/cm3
Micro-rigidity:
≥700kg/mm2
0.6-0.8  2.0-2.5
0.8-1.0  2.5-3.0
1.0-1.5  3.0-3.5
1.5-2.0  3.5-4.0

2. Decorative Glass Beads

Decorative glass beads are suitable ornaments both in artworks and buildings because of its safe and non-toxin.

Type Main components Descriptions Diameters:(mm)
GJ-I SiO2
CaO
Crystal 0.2-0.4 0.8-1.0 2.0-2.5 3.5-4.0
0.4-0.6 1.0-1.5 2.5-3.0 4.0-4.5
0.6-0.8 1.5-2.0 3.0-3.5 4.5-5.0
GJ-IV SiO2
CaO
TiO2
Pure crystal 0.4-0.6 1.0-1.5 2.5-3.0 4.0-4.5
0.6-0.8 1.5-2.0 3.0-3.5 4.5-5.0
0.8-1.0 2.0-2.5 3.5-4.0
Colored Glass beads / Grits SiO2
CaO
Colored crystal series 0.4-0.6 1.0-1.5 2.5-3.0 4.0-4.5
0.6-0.8 1.5-2.0 3.0-3.5 4.5-5.0
0.8-1.0 2.0-2.5 3.5-4.0

3. Blasting Glass Beads

Blasting glass beads are of ideal polishing media to clean away casting burrs due to its merits of anti-stress, anti-corrosion and anti-weariness.

Type Sieve ratio Diameters(μm)
GJ-I 10-14 2000-1500
GJ-I 14-20 1500-1000
GJ-I 20-24 1000-800
#30 24-40 84-420
#60 40-60 420-250
#80 60-100 250-150
#100 70-140 210-105
#120 100-140 150-105
#150 100-200 150-74
#180 140 -200 105-74
#220 140-270 105-53

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