|
Usage |
Grit |
Chemical component(%) | ||||||||||
|
Al2O3 |
TiO2 |
SiO2 |
Fe2O3 |
CaO | ||||||||
|
National
standard |
Company
standard |
National
standard |
Company
standard |
National
standard |
Company
standard |
National
standard |
Company
standard |
National
standard |
Company
standard | |||
|
Refractory |
8-5mm |
|
≥95.00 |
|
≤3.00 |
|
≤1.00 |
|
≤0.20 |
|
≤0.30 |
≤0.45 |
|
5-3mm | ||||||||||||
|
3-1mm | ||||||||||||
|
1-0mm | ||||||||||||
|
Grains for coated&bonded abrasives |
4# - 80# |
95.00-97.50 |
95.00-96.50 |
1.50-3.80 |
1.50-3.00 |
|
≤1.00 |
|
≤0.20 |
≤0.45 |
≤0.30 |
≤0.45 |
|
90# - 150# |
94.00-97.50 |
94.50-96.50 |
≤1.00 |
≤0.20 |
≤0.30 |
≤0.45 | ||||||
|
180# - 220# |
93.00-97.50 |
94.00-96.50 |
≤1.20 |
≤0.20 |
≤0.30 |
≤0.45 | ||||||
|
- 220# |
≥92.00 |
≥93.00 |
1.50-3.50 |
≤1.30 |
≤0.20 |
≤0.30 |
≤0.45 | |||||
