Model: | - |
---|---|
Brand: | - |
Origin: | - |
Category: | Industrial Supplies / Tools / Abrasives |
Label: | glass bead , abrasive glass bead , grinding glass bead |
Price: |
US $350
/ ton
|
Min. Order: | 1 ton |
Live Chat: | Last Online:21 Oct, 2015 |
Glass beads for grinding
Grinding glass bead is made of special glass by smashing and fritting.It has the characteristics of smooth surface,average size,high hardness,anti-friction and stable etc.Widely used in dyestuff,paint,ink,chemical industries etc as dispersing agent,grinding medium and filling materials.
Product physical properties
Item |
Index |
appearance |
colorless transparent sphere, smooth and round, no obvious bubbles or impurities |
Roundness |
≥90% |
density |
2.5g/cm3 |
Refractive index |
≥1.50 |
Chemical composition |
Soda-lime glass SiO2>68% |
Mohs hardness
|
6-7mohs |
Mechanical properties (Compression strength) |
3300kg/cm2 |
Micro hadness (Indentation hardness) |
8000kg/cm2 |
Acid resistance |
Weightlessness 0.005mg/cm³ (boiled 4 hours in 20% HCL solution) |
Alkali resistance |
Weightlessness 0.3mg/cm³ (boiled 4 hours in 1% NaOH solution) |
Specification
NO. |
Diameter(mm) |
1 |
0.8-1 |
2 |
1-1.5 |
3 |
1.5-2 |
4 |
2-3 |
5 |
3-4 |
6 |
4-5 |
7 |
5-6 |
Usage:
0.4-0.8mm used as propping agent for oil fracturing to improve oil yield
0.8-0.2mm used as dispersant in the deep processing for china clay,heavy calcium carbonate
2.0-6.0mm used as dispersing agent in bead mill in the production of chemicals,dyestuff,paint and ink
Instruction: