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Q:Is kaolin poisonous? What is kaolin?
Kaolin is a nonmetal minerals, the Baidu encyclopedia can know, no toxic poison, this is to say, it is not toxic, but now after a lot of chemical bleaching process, generally acidic, a little.
Q:Do kaolin have blue and cyan?
Some trace metal elements which may be a different color, the specific color and the metal or metal oxide flame color color
Q:Who knows the value of the raw ore of this kind of kaolin? How much is it?
Also, the crude ore is basically worthless, and the parameters after washing are not specific. About 300-500 yuan.
Q:How to distinguish the good or bad of kaolin?
Kaolin chemical composition analysis laboratory test kaolin composition is very complex, kaolin chemical composition contains a large number of AL2O3, SiO2 and a small amount of Fe2O3, TiO2, and trace amounts of K2O, Na2O, CaO and MgO.
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:Are there any differences between bentonite and kaolin?
Bentonite (Bentonite) predominantly montmorillonite aqueous clay minerals. The chemical composition of montmorillonite: (Al2, Mg3) Si4O10 OH2 nH2O, because it has special properties such as swelling, adhesion, adsorption, catalysis, thixotropy, suspension and cation exchange. So widely used in various industrial fields.
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:What are the surface modification technologies of calcined kaolin and the matters needing attention?
During the surface modification of calcined kaolin, it is necessary to react at a certain temperature. So, first of all to the calcined kaolin dynamic heating to a certain temperature (100 DEG C), in the high dynamic condition, adding after hydrolysis of silane coupling agent or compound modifier, adding to the best atomization. During the reaction between the coupling agent and kaolin, the temperature should be kept within 120 degrees, and at high speed, the time should be about 3-5 minutes.In addition, surface modification of kaolin and the reaction process, often produce false knot particles, the impact on the quality of the products is given, so the need for effective classification, only in this way can we fully guarantee the quality of products.
Q:Is kaolin a soil or a rock?
Kaolin is a kind of clay formed by weathering, leaching, residual and exogenic deposition of aluminosilicate rocks. It is also the product of the alteration of hydrothermal fluid to the surrounding rock.
Q:How are laterite and kaolin weathering crusts formed respectively?
This soil layer contains very little nutrients, mainly the B layer. (soil profiles can be found)The reason for red clay is that it is red when it is trivalentHow is kaolin formed?Kaolin is a mainly composed of kaolin clay. After fully weathered feldspar, kaolin, quartz and generate soluble salts; then with the rain, the river rafting on it and then re deposition, quartz and soluble salts have been separated, can be accounted for in kaolin kaolin. The largest porcelain is. Good raw material for the production of porcelain.

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