SINABUDDY MINERAL CO.LTD.
SINABUDDY MINERAL CO.LTD.
[
Henan,
China (Mainland) ]
Henan, China (Mainland)
Block
Irregular
FEPA
F12-F220
Bonded Abrasives
|
Chemical Composti ons
Grit
Size range
|
Low Chromium
|
Medium Chromium
|
High chromium
|
||||||
|
Al2O3
%
|
Cr2O3
%
|
Na2O
%
|
Al2O3
%
|
Cr2O3
%
|
Na2O
%
|
Al2O3
%
|
Cr2O3
%
|
Na2O
%
|
|
|
F12~F80
|
≥98.50
|
0.20 ~
0.45
|
≤ 0.50
|
≥98.20
|
＞0.45~ 1.00
|
≤ 0.55
|
≥97.40
|
＞1.00~ 2.00
|
≤ 0.55
|
|
F90~F150
|
≥98.50
|
≤ 0.55
|
≥98.20
|
≤ 0.60
|
≥97.00
|
≤ 0.60
|
|||
|
F180~F220
|
≥98.90
|
≤ 0.60
|
≥97.80
|
≤ 0.70
|
≥96.50
|
≤ 0.70
|
|||
|
Basic Minerals
|
Crystal Size
um
|
Ture density
g/cm3
|
Bulk Desnsity
g/cm3
|
Knoop Hardness
Kg/mm2
|
|
a-Al2O3
|
600-2000
|
≥3.90
|
1.40~1.91
|
2200~2300
|
