Paper Making Grade Kaolin
Product Description
Calcined kaolin clay for Paper and rubber is our best pigment with high reactive powder clay.
Our calcined kaolin has good viscosity and dispersion ,and can well improve the effect of vulanization,increase the addition for its good crosslink with rubber and paper.It has a serie of unique properties such as the acid resistivity,chemical stability,heat durability,incombusibility.It has an increasingly wide spread applicants in various fields-asbestos substitute products in rubber and paper.
Main physical index
|
Item
|
(Paper-making class)
|
|
White degree(F457)%
|
≥94
|
|
Granularity(-2µm,%
|
82~86
|
|
Visual screening
|
≤0.003
|
|
Refractive index
|
1.62
|
|
Oil absorption value(g/100g)
|
60±5
|
|
PH value
|
6.0-8.0
|
|
Dispersion(µm)
|
≤45
|
|
Moisture(%)
|
≤0.5
|
Main chemical index
|
SiO2
(%)
|
AL2O3
(%)
|
Fe2O3
(%)
|
TiO2
(%)
|
Cao
(%)
|
MgO
(%)
|
K2O
(%)
|
Na2O
(%)
|
MnO
(%)
|
|
53±2
|
44±2
|
<0.50
|
<0.8
|
<0.5
|
<0.3
|
<0.1
|
<0.2
|
<0.004
|
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