CALCINED KAOLIN FOR COATING (GB-CK-96) SGS test

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
25 m.t.
Supply Capability:
12000 m.t./month

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Product Description:

1. Benefits and Application

The GB-CK series of Kaolin based pigments are produced through delamination, 

calcination and classification. The well-controlled processes ensure the GB series have no coarse particles and maintains an absolute minimum of 325 mesh residue, so the end user can achieve a high Hegman grind. The GB series pigments also have high brightness, strong hiding powder and superior dispersibility, and it is widely applied in latex paint, powder coating and electrophoresis coating. 
Its main benefits are:

 It’s the best extender of titanium dioxide with excellent opacity that can
   improve efficiency and cut costs by partly replacing titanium dioxide;
It can easily disperse in water based systems; 
It offers superfine particle and with excellent anti-settling property; It is inert to most acids and
   alkaline at ambient temperature and offers good anticorrosive capabilities.

2. Typical Physical Properties

Item

GB-CK90

GB-CK92

Brightness(T457)

90.5%min

92%min

Particle Size (0-2micron)%

50+/-2

60+/-5

Particle Size (0-10micron)%

94%

97%

Refractivity

1.62

1.62

Screen residue (325 mesh %)

0.01max

0.01max

Oil Absorbency (g/100g)

35+/-5

50+/-5

Dispersion (micron)

55max

50max

pH

5.5-7.0

5.5-7.0

Bulk Density (kg/m3)

600

500

Specific Gravity (kg/m3)

2600

2600

Moisture (%)

0.5max

0.5max

3. Typical Chemical Properties

SiO2(%)

Al2O3(%)

Fe2O3(%)

TiO2(%)

CaO(%)

MgO(%)

CuO(%)

K2O(%)

Na2O(%)

MnO(%)

52+/-2

45+/-2

0.50max

1.5max

0.4max

0.2max

0.004max

0.05max

0.15max

0.004max

4.Application

 


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Q:What is the solid content in kaolin index?
The specific value of free silica is very difficult to detect, can now to some of the testing counseling, testing agencies can usually according to some detection methods of the data obtained or issued by the "free" phenomenon or less... Report.
Q:The difference between kaolin and talc in rubber
Talc powder, English name PULVISTALCI, white or white like, fine, sand free powder, hand touch greasy. Odorless, tasteless. This product is insoluble in water, dilute ore, acid or dilute hydrogen alkali solution. This product is magnesium silicate mineral!
Q:How do porcelain mud distinguish good or bad?
Compared with the international standard of the kaolinite content Chinese, southern Suzhou and Fujian Longyan kaolin soil Si was significantly more than the commonly used North Datong soil, iron content and mix the raw is significantly larger, but the north and south to kaolin aluminum content than the British standard used for EPK, which also makes the general China porcelain to temperature higher than 1310 degrees, or even close to 1350 degrees, but the mineral composition of kaolin is different, around the mining kaolin component is so different, so that a lot of kaolin with today's porcelain stone in the data has been very close to the standardized production and the western industrialization under the background of different kaolin most of the China, or in the production of kaolin ore deposit by the way.
Q:What is the difference between diatom mud and kaolin?
Kaolin is a nonmetallic mineral, a kind of clay and clay rock mainly composed of kaolinite group clay minerals.
Q:The difference between calcined clay and calcined kaolin
Calcination can also make the crystal structure of kaolin changes (mainly caused by hydrogen bonding and crystal water removal layer), from the original ordered lamellar crystal structure of kaolin into disordered metakaolin, the exposed parts of the original crystal layer group, and due to remove water of crystallization, type and quantity of surface active the increase (the type changed from -OH to Si-O, Al-O and part of the remaining -OH), the reaction activity increased.Calcined kaolin can lead to particle size increased, while the decrease of surface area, adsorption decreased, but the decrease of surface energy, to improve the dispersibility of kaolin, and the amorphous structure became loose, but also can improve the dispersion of calcined kaolin after dehydroxylation. Usually by grinding or fine chemical surface modification as rubber plastic and other reinforcing filler of white smoke.Shvarzman replace some found that when the amorphous phase in the kaolin is more than 55%, according to the ASTM618 standard can be used as an active filler.
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:Can kaolin be used for cosmetics?
Kaolin is mainly composed of two oxygen silicon and three aluminum oxide two. Do high-end cosmetics, kaolin requirements of pure white, fine granularity (1250 mesh).
Q:Can kaolin mask be made directly?
Replenishment mask can be used every day. A good moisturizing mask, adhere to the application will greatly enhance the moisture content of the skin.
Q:What kind of pottery does kaolin need?
General ceramics are made of kaolin, different ceramics are only prepared in different proportions of the ingredients page.
Q:What kind of kaolin can burn glazed tiles?
Kaolin is a kind of mineral material of better purity. It is not necessary to fire glass tile and kaolin, because glazed tile belongs to coarse pottery, and the quality requirement of clay is not fine

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