Q:What is the difference between porcelain stone and kaolinite?

Belong to the kaolinite clay mineral, its chemical composition is Al4[Si4O10] (OH) 8, layered silicate mineral crystal belongs to triclinic. Three were dispersed cryptocrystalline, powder, loose bulk collection of white or light gray, light green, yellow, red and other colors, white streak, earthy luster, Mohs hardness of 2-2.5, the proportion of 2.6-2.63. absorbent, and water has plasticity, sticky tongue, dry clods with rough feeling.

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 are the colors of kaolin ore?

Contains the quality is pale yellow, gray, green, black and other colors. The presence of these impurities, reduced the natural whiteness of kaolin, in which iron and titanium minerals will also affect the whiteness of the calcined, porcelain stains or scars appear.

Q:Who knows the value of the raw ore of this kind of kaolin? How much is it?

For example, plasticity; in addition, whiteness has a difference between natural whiteness and burnt whiteness...... So there are more indicators to be provided, so few indicators are estimated that no one can answer.

Q:Can pure kaolin or montmorillonite burn pottery? If not, what do you need to add?

Kaolin is hard or soft, chemical properties are similar, but the physical properties of different, soft adhesion, plasticity, suitable for ceramics.

Q:What is kaolin?

1. brightness and brightnessWhiteness is one of the main parameters of kaolin's technological properties. Kaolin with high purity is white. For ceramic raw materials, the whiteness is more important after calcination. The higher the whiteness of calcination, the better the quality

Q:What's the requirement of high-grade kaolin?

Whiteness is one of the main parameters of kaolin's technological properties. Kaolin with high purity is white. Kaolin whiteness, natural whiteness, and degree of self calcination. For ceramic raw materials, the whiteness after burning is more important. The higher the calcination whiteness, the better the quality. The ceramic process stipulates that the drying temperature is 105 degrees centigrade and the classification standard is the natural whiteness. The calcined 1300 DEG C is the grading standard for the whiteness of the calcined products. Whiteness can be measured by a whiteness meter. A whiteness meter is a device for measuring the reflectivity of light at 3800 7000A wavelengths. In the whiteness meter, the reflectance of the sample to be measured is compared with that of the standard sample, that is, the self - value.

Q:How to distinguish between light calcium carbonate and calcined kaolin?

The quality of pure kaolin is white, fine and soft, and it has good plasticity and fire resistance. The mineral composition is mainly composed of mineral kaolinite, halloysite, illite, illite, montmorillonite and quartz, feldspar etc..

Q:Barium calcium carbonate kaolin which zhegaili better

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.

Q:Can kaolin mask be made directly?

Lolita cocoa hydrating moisturizing mask in Switzerland, with apricot ingredients can quickly pay a short time, can quickly repair damaged cells, nourish the dense, into the stream of water to the skin, good effect lasting moisture, can use every day, especially suitable for mixed and dry skin.