Hujiang brand calcined kaolin(for electrophoretic paint and ink) is made by advanced equipment of America and Britain,it is high whiteness,fine particle size,high hinting power and brightness.It can improve storage stability,weather stability and anti-impact.It is used as filler to prouce VOC,coating
1、Main standard
|
Chemical composition |
Kaolin/ Calcined –for coating |
|
Appearance |
White Powder |
|
Package |
25kg weaven bag/kraft paper,1000kg big bag |
|
Characteristics |
It is made by advanced equipment of America and Britain,it is high whiteness,fine particle size,high hinting power and brightness.It can improve storage stability,weather stability and anti-impact. |
|
Application |
Middle-high grade coating. |
2、Specification
|
No |
Item |
Unit |
Index |
|
LJC-1 |
LJC-2 |
|
1 |
Whiteness |
％ |
≥93 |
≥92 |
|
2 |
Residue on Sieve 325 mesh % |
％ |
＜0.004 |
≤0.004 |
|
3 |
Refractive index |
％ |
1.62 |
1.62 |
|
4 |
Moisture |
％ |
＜0.5 |
＜0.5 |
|
5 |
PH Value of aqueou suspension |
|
6.5-7.2 |
6～8 |
|
6 |
Oil absorption |
％g/100g |
45±5 |
43±5 |
|
7 |
＜2um assay |
％ |
80±2 |
78±2 |
Chemical index
|
SiO2(%) |
Al2O3(%) |
Fe2O3(%) |
TiO2(%) |
CaO(%) |
MgO(%) |
K2O(%) |
Na2O(%) |
L.O.L(%) |
|
50±2 |
45±2 |
＜0.5 |
＜1.1 |
＜0.3 |
＜0.2 |
＜0.06 |
＜0.2 |
0.5 |
|
Barium sulfate