SINABUDDY MINERAL CO.LTD.
SINABUDDY MINERAL CO.LTD.
[
Henan,
China (Mainland) ]
Henan, China (Mainland)
Bonded Abrasives
Items |
FM-70
|
FM-75
|
|
Chemical
composition
|
Al2O3 |
70-74%
|
74-77%
|
SiO2 |
25-28%
|
22-25%
|
|
Na2O |
≤0.25%
|
≤0.30%
|
|
Fe2O3 |
≤0.10%
|
≤0.1%
|
|
True density |
>3.03 g/cm3
|
||
Melting Point |
1820℃
|
||
Glass phase |
≤5~6%
|
||
3 Al2O3 . 2SiO2 Phase |
≥94~95%
|