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: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'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:Are kaolin and bentonite mineral materials?

Mineral material, if it's kaolin ore, it's mineral resources.

Q:The difference in structure between graphite, talc and kaolin

Kaolin is a nonmetallic mineral, a kind of clay and clay rock mainly composed of kaolinite group clay minerals. Because of the white and delicate, also known as "white cloud soil.".

Q:What's the difference between nano kaolin, washed kaolin and calcined kaolin? Where is the difference?

Nano kaolin means that the granularity of kaolin is reduced to nanometer scale, a nanometer equal to 1/1000 microns.

Q:How can clay sculptures not be cracked and preserved for a long time?

1. Keep moisture - covered with plastic sheeting;2, reduce the amount of water used during the mud and more or more times, or use mechanical agitation, and then after a long time of boring mud, or add water reducing agent to reduce moisture;3, add other modified substances - add glue, calcined fine powder and so on;4, the process should pay attention to not too much smearing the surface.

Q:How to remove the kaolin from the stone?

Ordinary stone mainly silicate compound, hard texture and resistance to acid and alkali; and kaolin molecular formula Al2O3-2SiO2-2H2O, whether or not alumina, silicon oxide, alkaline, so only a small amount of NaOH can be removed through kaolin;

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:Kaolin, calcination and washing what is the difference between the best, you can talk about it in detail,

The difference between the two is that the calcination can not be more sand out of raw ore, wash water can be