CALCINED KAOLIN FOR COATING (GBCK-95/96)
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 12000 m.t./month
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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
- 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's the difference between Ye Lashi and kaolin?
- The content of Si in Ye Lashi is much higher than that of Al. The amount of burning loss is relatively small, and the linear shrinkage is much smaller than that of kaolin. When adding to the raw material, the sintering process can promote sintering.
- Q:What is the good or bad of kaolin to distinguish? What is its criterion?What percentage does it contain and what element does it contain?
- Kaolin is a kind of soft clay mineral and two non clay mineral, which are mainly composed of kaolinite and sub group minerals. Kaolinite minerals are mainly composed of small tabular or tubular kaolinite minerals of less than 2 m, Al4 [Si4O10] (OH) 8. Because of its hydrous aluminosilicate chemical composition, layered structure and particle size, it has many special properties which are not available in general minerals. The extensive use of kaolin is inseparable from its excellent physical properties. Pure kaolin with high whiteness, soft and easy to disperse suspended in water, refractoriness physicochemical performance, good plasticity and high adhesion, excellent electrical insulation properties and the acid solution, good low cation exchange capacity, high.
- Q:In the paint, paint, ink, imported washed kaolin can replace part of titanium dioxide?
- Paint and paint can be partially replaced, but it can affect whiteness and covering ability. Too much addition will make paint / paint a plastic fluid.Ink can not be replaced, because it will affect the rheological properties of the ink (become plastic circulation, is not conducive to printing).
- Q:High silica kaolin is?
- Is not the same. Kaolin three two aluminum oxide content is relatively high, high silica silica content is relatively high.The content of three oxidation and two aluminum in kaolin is 22-28%.
- Q:Is the kaolin used in Longquan celadon?
- In fact, the traditional Longquan celadon products is not the pursuit of what body transparent, the so-called "thin eggshell glaze" is to rely on manual trimming, repeated glazing products to shiny jade texture, rather than relying on the original material characteristics to show. You can go to the museum to see the old Longquan celadon products. None of them are made of kaolin.
- Q:Application of kaolin
- Because the calcined clay oil absorption value is relatively high, so the cosmetics industry recommends the use of ultrafine and high pure water wash soil, strict attention purity and heavy metal content of kaolin, these two aspects report report analysis and detection of heavy metals and chemical products, through the data report and compare its cosmetic requirements can be judged. Pharmaceutical industry bigger user base for butyl rubber plug industry, can use 1250 or so of calcined soil, this is more commonly used, usually as long as the heavy metal test qualified can use. The above two industries use kaolin price difference is quite big, the cosmetics class import product approximately RMB6 yuan /kg, the medicine class RMB2.2 yuan /kg.
- Q:What are the requirements for kaolin as refractory material, such as how much aluminum is needed?
- Kaolin aluminum content does not have to be too high, more than 38% on the line, viscosity is to consider, the best sticky point, so as not to add extra bentonite. Fire resistance of more than 1400 degrees enough
- Q:Know the proportion of kaolin slurry, how to calculate the content of pure kaolin?
- This can only be estimated, kaolin adsorption water ah. Make a reasonable estimate of the volume of water, without measuring the content.
- 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.
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CALCINED KAOLIN FOR COATING (GBCK-95/96)
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 12000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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