CALCINED KAOLIN FOR PAPER MAKING(GB-CK98/98L/D)

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CALCINED KAOLIN FOR PAPER MAKING(GB-CK98/98L/D)

4.Application

CALCINED KAOLIN FOR PAPER MAKING(GB-CK98/98L/D)

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 the porcelain glaze porcelain: Porcelain clay is mainly used for the production of porcelain, porcelain clay or kaolin, is the main raw material for ceramics.

Q: What are the difficulties in kaolin beneficiation?: Kaolin beneficiation important selection of equipment, with what kind of equipment to sorting, it is necessary to experiment to analyze, preliminary analysis in place, as well as how to see the effect

Q: What is the good or bad of kaolin to distinguish? What is its criterion?What percentage does it contain and what element does it contain?: Whiteness is one of the main parameters of kaolin's technological properties. Kaolin with high purity is white. Kaolin whiteness, natural whiteness, and whiteness after calcination.The color of kaolin is mainly related to its metal oxides or organic matter. Containing Fe2O3 was rose red, brown and yellow; containing Fe2+ was pale blue, pale green with pale brown; MnO2; organic matter tends to 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: In the paint, paint, ink, imported washed kaolin can replace part of titanium dioxide?: Can replace part of titanium dioxide, specifically the imported kaolin is high mesh products, and close to the fineness of titanium dioxide. Can help disperse titanium dioxide. In actual use, no wet zhegaili, easily dispersed, can be used as a physical fitness pigment, reduce the cost.

Q: The difference between clay and porcelain: Porcelain clay, clay soil, Ge also powder, the more formal name is kaolin. Kaolin is a nonmetallic mineral, a kind of clay and clay rock mainly composed of kaolinite group clay minerals. Named after kaolin village, Jingdezhen, Jiangxi province. 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.. Kaolin is widely used, mainly used for papermaking, ceramics and refractories, secondly used in coating, rubber filler, enamel glaze and white cement raw materials, a small amount of paint, paint, plastic, used for grinding wheel, pencil, soap, cosmetics, pesticide, medicine, textile, petroleum, chemical industry, building materials, defense and other industrial sectors.

Q: The cosmetic effect of kaolin?: Kaolin is a nonmetal mineral, good quality products for whiteness high component, high temperature resistant, soft texture, good acid and alkali resistance, no stimulation to the skin, and has certain adsorption ability, remove skin dirt, grease on the skin absorption and waste etc..

Q: How can kaolin be removed from iron?: Except for iron, some of them are added with insurance powder, but they are very polluted to the environment, and they may not be used in the future. They may be banned later4, in addition to biological and magnetic in Tiefa Tiefa currently in the research stage, is not very mature.

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: The difference between calcined clay and calcined kaolin: Generally speaking, the strengthening effect of hard, clay on hardness, elongation strength, tensile strength or wear resistance is larger than that of soft clayBut the hard clay and soft clay (hard Claysoft clay) is mixed with rubber as raw material mixed hardness, tensile strength training plus sulfur product for compliance, which can not be a clear division, but hard clay particles were relatively small, at 2 below for more than 80%, soft clay is about 50%. The proportion of around 2.6. The general kaolin is acidity, pH value is about 4~5, but also the use of alkali or amine treatment, the pH value tends to alkaline. Kaolin better than calcium carbonate in the tensile strength and hardness increase and mechanical strength has good performance, but the degree of poor white, permanent compression deformation, and sulfur is slow (because of the pH value of 4.5.5, delay the sulfur addition tendency), glycerol, ethylene glycol, can amine (Glycol) as activating agent to improve the properties of sulfur. The clay at suitable temperature (600~800 DEG C) loses water of crystallization calcination (OH) the crystal structure collapse, in order to improve live Because the free ion (ion) is adsorbed and fixed, the insulation effect can be improved, and the treatment can decompose the organic matters and increase the whiteness, and because the size is neat, the dispersion is good

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