Grinding Glass beads
GJ-I （ Normal beads ） | Chemical composition | Physical Characteristics | Diameters:(mm) |
As blasting, road-marking and grinding media, it has features of orystal, steady chemical changeand low cost. | SiO2 Al2O3
CaO MgO
Na2O | Proportion:2.45g/cm 3
Artificial proportion:1.5g/cm 3
Micro-rigidity: ≥ 635kg/mm 2 | 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 |
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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/cm 3 Artificial proportion: 1.5g/cm 3 Micro-rigidity ≥ 680kg/mm 2 | 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 MgO
Na2O ZrO2
TiO2 | Proportion:2.8g/cm 3
Artificial proportion:1.65g/cm 3
Micro-rigidity: ≥ 720kg/mm 2 | 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 MgO
Na2O TiO2 | Proportion:2.7g/cm 3 Artificial proportion:1.6g/cm 3 Micro-rigidity: ≥ 700kg/mm 2 | 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
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The above information is for reference only.
