Snowhite calcined kaolin for paper industry-CMP

Product introduction:

Snowhite calcined kaolin for paper industry is produced through strict control of process at about 1000 ℃ calcination. In the calcining process, kaolin lost its crystal water and its material morphology changed. The changes in its microscopic shape and surface chemical properties have endowed the product with a series of important properties that serve the paper industry. As a calcined kaolin pigment, it has the advantages of high whiteness, good light scattering performance, fine particles and low abrasion. It can be used as filler and coatings.

Product advantage:

1. Reduce or avoid use of titanium dioxide in the formula to reduce the cost without reducing the main performance;

2, improve paper smoothness, gloss and hiding power;

3, improve ink absorption and overall printing performance;

4. It has the best viscosity and good compatibility with various preparations;

5. Low abrasion value can effectively reduce the frequency of scraper replacement and thus reduce the cost.

Relative products：Snowhite 86 Snowhite 90

Typical analysis

Items	Snowhite 86	Snowhite 90
Whiteness(ISO457nm)	93-96	93-96
+325目 residuels (%)	0.005 Max	0.005 Max
-2um (%)	82-84	84 Min
Moisture （105℃，%）	0.5 Max	0.5 Max
Oil Absorption (g/100g)	55-65	55-65
pH value (10%，Solid)	5.5-7.5	5.5-7.5
SiO₂ (Wt，%)	52～56	52～56
Al₂O₃ (Wt，%)	42～46	42～46
Fe₂O₃ (Wt，%)	0.8 max	0.8 max
TiO2 (Wt，%)	1.2 max	1.2 max
CaO (Wt，%)	0.5 max	0.5 max
MgO (Wt，%)	0.3 max	0.3 max
K₂O (Wt，%)	0.1 max	0.1 max
Na₂O (Wt，%)	0.2 max	0.2 max
MnO (Wt，%)	0.006 max	0.006 max
LOI (Wt，%)	0.5 max	0.5 max
Quartz (Wt，%)	1 max	1 max

Standard packing

In 500kg plastic bags, 2 bags on one pallet（1000kg）

In 25kg plastic bags, 24 bags on one pallet(600kg)

None

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