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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:What are the requirements for the whiteness of calcined kaolin in the coating formula?
In the application of coating, whiteness is the first index of calcined kaolin, the higher the better. Whiteness should be greater than 90%, and some manufacturers will require more than 93%. Whiteness stability is very important, and if the volatility of the assembly affects the optical properties of the coating, resulting in the same formulation of different batches of products appear chromatic aberration.
Q:High silica kaolin is?
High silica (also known as quartz, silica, silica, silicone soft soil, amorphous silica, Tripoli, powder, quartz). A SiO2 ore containing pure natural particulate silica powder. No brittle plasticity, the powder is not hydrophilic, strong acid resistance, differential thermal analysis of typical quartz the differential thermal curve, refractoriness 1750 ~ 1832 degrees. For ceramics, porcelain, glazed tile, fine ceramics, glass, paint, rubber filler and refractory materials, and can be used as fine abrasive, polishing material and precision casting sand. Silica 98.87%, ferric oxide 0.04%, two aluminum oxide 0.67%. three
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:Kaolin, calcium carbonate, talc, which does not affect the ink gloss?
The ink consists of major and auxiliary components, which are evenly mixed and rolled repeatedly to form a viscous, gelatinous fluid. It consists of binder (resin), pigments, fillers, additives and solvents. The fingerprint brush ink surface gloss after drying in the light, the ability to the same concentration of reflected light. Ink with high gloss shows great brightness on printed matter. The glossiness mainly depends on the kind and property of the ink in the ink, the treatment of the refining process in ink making and the smoothness of the ink film after drying. In addition, the ink gloss by nature pigment ink composition, particle size and shape effect of dispersion; ink penetration, leveling, drying properties of the substrate material and so on.
Q:What is the difference between kaolin and rare earth, which is better to use as ceramic? What effect will it have?
There are many kinds of rare earth including kaolin, such as vegetables, many kinds, including Chinese cabbage. Ceramics do ask the ceramic makers, I'm sorry I don't understand
Q:What are the functions of kaolin? What areas of industry are you using?
Kaolin has a wide range of uses, mainly due to its plasticity, cohesiveness, certain drying strength, sintering properties and whiteness after burning, and so on, making it the main raw material for ceramic production;
Q:What is the best composition of kaolin?
Kaolin is mainly aluminosilicate, the main component of AL2 (Si2O5) (OH) 4, or written as Al2O3 2H2O 2SiO2
Q:The building is kaolin. Does it have radiation? District 15 years ago is a kaolin processing plant, there will be residual radiation it?
There is no radiation pollution in kaolin itself, but it is impossible to be consistent with the background radiation intensity according to the soil and rock composition in different areas. In other words, the radiation intensities of kaolin and kaolin are not exactly the same. Specific to your place is excessive radiation, and nothing to do with kaolin itself.
Q:Does the whiteness of washed kaolin mean natural whiteness or whiteness after calcination?
Whiteness difference is big, generally after light burning, kaolin whiteness will increase, and wash water will not significantly increase whiteness.

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