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kaolin for thermal paper coating production
Product description: kaolin for thermal paper coating production is a grade with high brightness, fine particle distribution and medium high oil absorption. It is providing good opacity and tinting ability in coating formulation performing as extender of titanium dioxide. It is also high cost effective functional filler for thermal paper production.
Chemical Name：Anhydrous aluminum silicate
Main application: composition for thermal paper coating;thermal paper chemical
Typical Properties
|
Properties |
Standard |
|
Brightness (TAPPI/GE, % ) |
≥93 |
|
Brightness (ISO R457, % ) |
≥91 |
|
Particle size (Sedigraph, -2μm, %) |
85±3 |
|
Screen residue (325 mesh, %) |
≤0.01 |
|
Oil absorption（g/100g ) |
65±5 |
|
Moisture (%） |
≤0.5 |
|
pH |
6.0-8.0 |
Chemical Components:
|
SiO2（%） |
Al2O3（%） |
Fe2O3（%） |
TiO2（%） |
CaO（%） |
Na2O（%） |
K2O（%） |
MgO（%） |
|
52±2 |
45±2 |
≤0.8 |
≤1.3 |
≤0.5 |
≤0.2 |
≤0.2 |
≤0.2 |
Advantage:
As thermal paper coating manufacturer and thermal jumbo paper manufacturer,this model of kaolin is verified by us.and it is suitable for thermal paper coating.
Shelf life: 5 years
