CALCINED KAOLIN FOR Color (GBCK-95/96) National Standard
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- 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: What's the difference between calcined kaolin and washed kaolin?
- Calcined kaolin mainly refers to the hard kaolin (kaolinite), the original soil without adhesion, cannot be directly used as paper or refractory materials, after application of calcination; soil washed kaolin having adhesion, can directly do refractory binder or paper packing.As a filler of paper, the whiteness of calcined kaolin is very little, and the cost is relatively high
- Q: Where are the main differences between kaolin and kaolinite?
- There are three types of kaolinite subgroup, including kaolinite, crust stone and Pearl stone. Their theoretical formula is Al[Si4O10] (OH) 8, without water between layers.
- Q: I have kaolin, which is grey. It burns red. Do you need it?
- Your kaolin is grey and the burn is red. I guess your kaolin contains more three iron oxide
- Q: In the paint, paint, ink, imported washed kaolin can replace part of titanium dioxide?
- 8-15% can reduce the amount of titanium dioxide. The color brightness, chroma and saturation effect. It has high chemical inertness and temperature resistance.
- Q: I only know that is a kind of raw material, and sell them where to sell, and I can have to contact the white mud!
- There are two main areas. One is used in papermaking (or paper making), and the other is the pigment used in the surface coating process. For general cultural paper, the amount of filling accounts for 10-20% of the weight of the paper. For coated paper and paperboard (kaolin ore mainly includes light weight coated paper, coated paper and paperboard), in addition to the packing, also need to fill, pigment, pigment with kaolin accounted for paper weight 20-35%. Kaolin used in paper making, the paper can give good coverage performance and good gloss coating performance, but also increase the paper whiteness, opacity, smoothness and printability, greatly improve the quality of the paper. The main production of ceramic white mud to local sales.
- Q: What does wet sieving of kaolin vibrating screen mean?
- The kaolin has easy dispersion characteristics suspended in water, so the screening process of vibration sieve for kaolin wet sieving, the kaolin ore micron or less units made of mud particles, and adding dispersant, the minerals in the water dissociation, such kaolin in stone and high impurity minerals will be divided into small, medium and roughly three different levels, and through the screening level effect of vibration sieve, the pure kaolin mine screening out.
- Q: What is kaolin?
- Kaolin is widely used in papermaking industry. There are two main areas, one is in the paper (or paper) in the process of using filler kaolin used in paper making, the paper can give good coverage performance and good gloss coating performance, but also increase the paper whiteness, opacity, smoothness and printing well, greatly improve the quality of the paper. The other one is used in surface coating process of paint.Kaolin formed by the combination of mud with water, under the action of external force deformation, external force is removed, the nature can still maintain this deformation is plasticity. Plasticity is the basis of kaolin in ceramic body molding process, is also the main technology indexes. Usually with plasticity index and plasticity index to indicate plasticity the size of the plasticity index refers to the moisture content minus plastic limit water content of kaolin clay material liquid limit, expressed as a percentage of the plastic index W =100 (W -W liquid limit and plastic limit). Forming plasticity index representative of kaolin clay material can be directly measured, crushing the mud ball load and deformation size with plastic instrument, kg cm said, often plasticity index is high, the better the performance of its forming.
- Q: What is the significance of the target in kaolin?
- The project refers to the kaolin kaolin through the screen mesh. The purpose is defined as the number of holes per square inch mesh. 200 mesh for each square powder particle size known particle size. As the particle shape is very complex, usually there are several screening methods, such as particle size, sedimentation particle size, equivalent volume size, equivalent surface area, particle size and so on.
- Q: What is the difference between porcelain stone and kaolinite?
- It is the name for the two rock albite diorite or albitite, weathered soil known as porcelain clay, porcelain stone ceramics containing AI2O316% SiO272%. porcelain stone as ceramic raw materials can be made of porcelain alone, can also be used as ingredients instead of potassium feldspar porcelain stone. Superfine grinding and surface modification of the glaze made of deep processing and fine powder materials and composite materials, widely used in ceramics, plastics, rubber, paper and other fields.
- Q: Heroes, help me see if this is quartz sand or kaolin? Is it valuable?
- Whiteness is very high, belongs to quartz sand, sand surface may be attached to kaolin, if any, scrub, removing impurities can be purified to the silicon dioxide content of 99.9%, then it will crush value high, deep processing of quartz is mainly scrubbing, impurity removal and grinding.
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CALCINED KAOLIN FOR Color (GBCK-95/96) National Standard
- 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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