| Detailed Description: |
Special block:Whiteness: above 95%
Frist grade blcok :Whiteness: above 90%
First grade granule:Whiteness: above 83%
|
Name
|
Grade
|
Whiteness
%≥
|
Loss on ignition(1000οC)
%≤
|
Silicon dioxide
%≥
|
Magnesium oxide
%≥
|
Calcium oxide
%≤
|
Iron(III) oxide
%≤
|
Aluminum oxide
%≤
|
K2O+Na2O
%≤
|
|
talcum lump
|
HK-special
|
96.0
|
5.2
|
61.0
|
31.0
|
0.18
|
0.20
|
0.30
|
0.05
|
|
HK-1
|
90.0
|
6.5
|
60.0
|
30.0
|
0.36
|
0.30
|
0.60
|
0.1
|
|
HK-2
|
85.0
|
8.0
|
55.0
|
29.0
|
0.8
|
1.0
|
5.0
|
0.3
|
|
HK-3
|
76.0
|
12.0
|
40.0
|
28.0
|
1.5
|
2.5
|
15.0
|
0.5
|
|
talcum granule
|
HX-1
|
83.0
|
8.5
|
55.0
|
29.0
|
0.8
|
1.0
|
5.0
|
0.3
|
|
HX-2
|
76.0
|
12.0
|
40.0
|
28.0
|
2.0
|
2.5
|
15.0
|
0.5
|
|
