Luoyang Yuanning Refractory And Abrasive Material Technology Co., Ltd.
Luoyang Yuanning Refractory And Abrasive Material Technology Co., Ltd.
[
Henan,
China (Mainland) ]
Henan, China (Mainland)
Yuanning
F4-F240
Grain
Angular
F4-F240
High Heat-treated
Bonded Abrasives
| Packaging Details: | Be packed in 1MT bag or 25kg bags(40kg bags) in 1MT bag,also can be based on customers requirement |
|---|---|
| Delivery Detail: | 15-30days after the order |
This kind of Brown Fused Alumina grains is calcined at the high temperature, and with the anneal treatment. It is characterized by very low coefficient of linear expansion, very good hydrophilicity, good toughness and high hardness.
Brown Fused Alumina with high temperature treatment is applicable to make high quality bonded abrasives.
Physicochemical indexes
|
Application |
Specification
|
main chemical compositions(%) |
magnetic material(%) |
||||
|
AL2O3 |
Fe2O3 |
SlO2 |
TlO2 |
||||
|
Abrasives and Grinding Tools |
F |
4#--80# |
≥95 |
≤0.2 |
≤1.5 |
≤3.0 |
≤0.03 |
|
90#--150# |
≥94 |
≤0.03 |
|||||
|
180#--240# |
≥93.5 |
≤0.3 |
≤1.5 |
≤3.5 |
≤0.03 |
||
|
Item |
Specification |
|
Color |
Deep blue |
|
Crystal System |
Alpha-alumina trigonal system |
|
Mohs hardness |
≥9.0 |
|
Melting Temperature(°C) |
2050 |
|
Refractory temperature |
1900 |
|
True Density |
≥3.90 |
|
Magnetic Material |
0.0076% |
