Paper Grade China Clay

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China Main Port
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TT or LC
Min Order Qty:
12 Tons m.t.
Supply Capability:
50000 Metric Tons per Year m.t./month

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Detailed Product Description

paper grade china clay/specifications:

High-whiteness:94% min

Particle size(-2um,%):88-92

Oil absorbency(g/100g)63-73

paper grade china clay

[Product name]HS-901A Ultra Fine & Super White Calcined Kaolin

[Character and Performance]

The crystal is in laminar structure of pseudo-hexagonal kaolinite platelets.

Super fine particle with narrow distribution, little residue on 325 mesh, and low abrasion;

Great whiteness, covering power and light dispersion;

A good extender of titanium dioxide.

The coating with HS-901A has good performance in water-preserving, fluidity, viscosity and solid content. It can improve the property of paper such as whiteness, smoothness, opacity, ink absorbency, printability and luster. It is similar to Satintone 5HB.


High-quality paper-making such as light-weight coated paper, coated art paper and paper board, and ink, etc.

[Physical specification]



Whiteness (%)


Particle size (-2μm,%)


Residue on 325 mesh (%)


Oil absorption (g/100g)




Water content (%)


Abrasion (mg/2000 times)




[Chemical specification]




























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Q:What is the use of kaolin?
Kaolin is a kind of fine grained clay with kaolinite or multi water kaolinite as its main component. It was first discovered in kaolin village near Jingdezhen, china. According to historical records, the village area of the Jingdezhen kaolin clay mining heyday in the early Qing Dynasty, to Guangxu was gradually fading to white and delicate famous open world, as an indispensable raw material for billet. So when the town was used in the name of the village "porcelain industry Gaoling" named for him, producing clay from premises. After the extension of the same, and kaolin kaolin produced by the same place and the purpose of use, are called kaolin, such as stars, kaolin, Fuzhou kaolin, etc..
Q:How do porcelain mud distinguish good or bad?
The difference between the mines leads to uneven composition and leads to inconsistent quality. The loss of many mud and glazes in China is very important for this reason.
Q:What is the difference between diatom mud and kaolin?
Diatom mud is the diatom after the death of the diatom plants in the sea. The diatom formed by the precipitation of the corpse for thousands of years. It forms diatomite after the diatom ore is purified, and the diatom mud can be formed on the upper wall after processing according to the formula proportion.
Q:What is kaolin clay?
Ordinary clays, also called Gan Zi soil or kaolin, are mainly composed of kaolin mineralsBentonite, also called acid clay, is mainly composed of montmorillonite minerals
Q:How to use washed kaolinWashed kaolin in the paper-making process how to use, where China's kaolin more suitable point? Which home is the biggest?
The use of domestic raw material is washed kaolin in paper coating on the ideal, which itself has the characteristics of strong hiding power, high brightness, uniform particle size distribution. In the paper coating process is easier to improve the printability of ink absorption, and finish.
Q:What's the difference between nano kaolin, washed kaolin and calcined kaolin? Where is the difference?
The purity of calcined kaolin is enough kaolin, after high temperature firing out after grinding of kaolin, in order to improve the whiteness and purification, the firing temperature according to customer's product requirements vary from 900 degrees to 1300 degrees are
Q:Is kaolin soluble in water?The dispersion of kaolin in water is very unstable,At least stable 5-6 hours
Pure kaolin with high whiteness, soft, easy to disperse in water, suspended in plasticity and good adhesion, high excellent electrical insulation properties; has good acid soluble cationic, low resistance and other physical and chemical properties, better exchange. Therefore, kaolin has become the necessary mineral material for dozens of industries, such as paper making, ceramics, rubber, chemicals, coatings, pharmaceuticals and national defense. There are reports that Japan has also used kaolin instead of steel, cutting tools, lathes, drills, and internal combustion engines. Especially in recent years, the rapid development of modern science and technology, the application of kaolin is more extensive, began extensive use of kaolin as new materials in some high-tech fields, and even nuclear reactor space aircraft and spacecraft components with high temperature porcelain, made of kaolin.
Q:Know the proportion of kaolin slurry, how to calculate the content of pure kaolin?
Kaolin does not have a fixed specific gravity value, depending on the number of elements contained. The general proportion of kaolinite is 2.6 - 2.8, while kaolin is formed by the weathering of kaolinite. Specific contain three oxidation two aluminium how many, should send laboratory to undertake analysis.
Q:The big ball of mud and kaolin porcelain which is good
Big balls are much better than kaolin. A big ball of mud is very rare only two places in the world, one is in Britain during the second world war has been mined over, one is in Chinese Hongjiang, the big ball of mud in the last century at the end of 70s has exhausted its scarce precious mining, known as the "gold mud".
Q:What is the significance of the target in kaolin?
The granularity is particles can be obtained by screen mesh size, with 1 inches (25.4mm) the number of mesh width of the screen mesh representation, so called "mesh". At present, there is no uniform powder particle size standard at home and abroad, and each enterprise has its own definition and representation of particle size index. In different countries and different industries, the screen specifications have different standards, so the meaning of "target" is difficult to unify.
We are a comprehensive mineral product developing enterprise integrating the processes of mining, mine exploring, ore-sorting and deep processing. We have established favorable cooperation with a number of leading coating manufacturers and those well-known papermaking companies at home and abroad. We will keep working hard to provide high quality products and services for our customers.

1. Manufacturer Overview

Location Inner Mongolia, China (Mainland)
Year Established 2005
Annual Output Value
Main Markets South America
Eastern Europe
Southeast Asia
Mid East
Eastern Asia
Western Europe
Company Certifications Certificate of Quality Management System Certification;Certificate of Environment Management System Certification

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3. Manufacturer Capability

a)Trade Capacity  
Nearest Port
Export Percentage 21% - 30%
No.of Employees in Trade Department
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b)Factory Information  
Factory Size: Above 100,000 square meters
No. of Production Lines 1
Contract Manufacturing
Product Price Range