Physical Property | ||||||||
Diameter-thickness Ratio | Whiteness | Refractive Index | Specific Gravity(g/cm3) | PH Value | ||||
1:30 | 50-70 | 1.58 | 2.8 | 6.5-7.5 |
Item | 20mesh | 40mesh | 60mesh | 100mesh | ||||||||
mesh | % | mesh | % | mesh | % | mesh | % | |||||
+20 | <5 | +40 | / | +60 | / | +100 | / | |||||
-20/+40 | 70+-5 | -40/+60 | 60+-5 | -60/+100 | 55+-5 | -100/+200 | 35+-5 | |||||
-40/+60 | 25+-5 | -60/+100 | 35+-5 | -100/+200 | 40+-5 | -200/+325 | 25+-5 | |||||
-60/+100 | <10 | -100/+200 | <10 | -200/+325 | <5 | -325 | <45 | |||||
-100 | <5 | -200 | / | -325 | / | / | / | |||||
Moisture | ≤0.5% | ≤0.5% | ≤0.5% | ≤0.5% | ||||||||
Sand Content | ≤1.0% | ≤1.0% | ≤1.0% | ≤2.5% |
Application | painting and coating | ||||
fire-fighting industries | |||||
electric welding rod | |||||
electric insulation | |||||
asphalt paper | |||||
building materials industries | |||||
fire extinguishing agent | |||||
plastics and rubber | |||||
papermaking | |||||
pearl pigment |