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Xingzhenghe is one of the largest manufactures of superplasticizers. Our Annual output is over 150,000 Mts.

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Products have been sold to more than 60 countries, such as South Korea, Japan, Vietnam, Indonesia, Australia, Canada, Russia, Saudi Arabia etc.

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warehouses are set up in major ports for more timely delivery , in Tianjin,Qingdao,Shanghai, Guangzhou,and other places with branches (offices) and foreign trade transit warehouse.

Heavy calcium carbonate

Heavy calcium carbonate is a colorless and tasteless white powder, which is almost insoluble in water and alcohol. In case of dilute acetic acid, dilute hydrochloric acid and dilute nitric acid, it will bubble and dissolve. When heated to 898 ℃, it begins to decompose into calcium oxide and carbon dioxide.

Heavy calcium carbonate is ground by natural carbonate minerals such as calcite, marble and limestone. It is a commonly used powdered inorganic filler, which has the advantages of high chemical purity, great inertia, not easy to chemical reaction, good thermal stability, no decomposition below 400 ℃, high whiteness, low oil absorption rate, low refractive index, soft, dry, no crystal water, low hardness, small wear value, non-toxic, tasteless, odorless, good dispersion and so on.

Heavy calcium carbonate is widely used as filler in man-made floor tile, rubber, plastic, papermaking, coating, paint, ink, cable, building supplies, food, medicine, textile, feed, toothpaste and other daily-use chemical industries; As a filler, it can increase the volume of the product and reduce the production cost. Used in rubber, it can increase the volume of rubber, improve the processability of rubber, play the role of semi reinforcement or reinforcement, and adjust the hardness of rubber.

Heavy calcium powder is used in coal-fired power generation industry. Coal-fired power plants will use heavy calcium carbonate powder in flue gas desulfurization. Flue gas desulfurization is to synthesize heavy calcium carbonate and sulfur dioxide produced in the process of coal combustion into calcium sulfite, and then contact with air to oxidize into gypsum (calcium sulfate), which can effectively reduce the emission of sulfur dioxide produced by coal-fired power plants by 90%. The desulfurized gypsum produced can be sold directly to cement plant or gypsum board plant. The consumption of calcium carbonate desulfurization powder is related to the sulfur content in the coal. Usually, the 300000 kW coal-fired power plant needs 40000 tons of desulfurization powder every year.

Heavy calcium carbonate is one of the most widely used fillers in the rubber industry. A large amount of heavy calcium is filled in rubber, which can increase the volume of its products and save expensive natural rubber, so as to greatly reduce the cost. When heavy calcium is filled into rubber, it can obtain higher tear strength and wear resistance than pure rubber sulfide.

Heavy calcium carbonate powder for plastic masterbatch and color masterbatch in the plastic industry is 400 mesh. It is required that the whiteness remains unchanged after high temperature heating. The ore structure is large crystalline calcite, with calcium carbonate content of 99% and whiteness of 95%. Heavy calcium plays a skeleton role in plastic products, plays a great role in the dimensional stability of plastic products, improves the hardness of products, and improves the surface gloss and surface flatness of products.

The heavy calcium carbonate powder used in the paint industry is 800 mesh or 1000 mesh, Whiteness: 95%, calcium carbonate: 96%. The dosage of heavy calcium in the paint industry is also large, for example, the dosage in thick paint is more than 30%.

Heavy calcium powder for water-based coating industry, heavy calcium carbonate powder for water-based coating is 800 mesh or 1000 mesh, Whiteness: 95%, calcium carbonate: 96%. Heavy calcium plays an important role in the water-based coating industry. It can make the coating have the characteristics of no settlement, easy dispersion and good gloss. The dosage in the water-based coating is 20-60%.

Heavy calcium powder is used in the papermaking industry. The heavy calcium carbonate powder for papermaking is 325 mesh. The whiteness requirement is 95% and the calcium carbonate content is 98%. Heavy calcium plays a very important role in the papermaking industry, which can ensure the strength and whiteness of the paper, and the cost is low.

Heavy calcium powder is used in feed and chemical fertilizer industry. Heavy calcium powder is used as calcium additive in feed industry to replace the original shell powder and reduce the cost. In the fertilizer industry, heavy calcium powder with different whiteness is used for fertilizer particle size molding and color adjustment.

Heavy calcium powder for construction industry (dry powder mortar, concrete)

Heavy calcium carbonate powder for dry powder mortar is 325 mesh, whiteness requirement: 95%, calcium carbonate content: 98%. Heavy calcium plays an important role in concrete in the construction industry. It can not only reduce the production cost, but also increase the toughness and strength of products.

Heavy calcium powder for coal-fired power industry

Coal-fired power plants will use heavy calcium carbonate powder in flue gas desulfurization, flue gas desulfurization is heavy calcium carbonate and sulfur dioxide generated in the process of coal combustion synthesis of calcium sulfite, and then air contact oxidation into gypsum (calcium sulfate), can effectively reduce the emissions of sulfur dioxide generated by coal-fired power plants up to 90%. The desulfurized gypsum produced can be sold directly to cement factory or gypsum board factory. The amount of calcium carbonate desulfurizer is related to the sulfur content in coal burning, and a typical 300,000-kilowatt coal-fired power plant needs 40,000 tons of desulfurizer per year

Heavy calcium powder for rubber industry

Heavy calcium carbonate is one of the most widely used filler in rubber industry. Heavy calcium carbonate is packed in rubber to increase the volume of its products and save expensive natural rubber, thus greatly reducing costs. The tearing strength and wear resistance of heavy calcium carbonate can be higher than that of pure rubber sulfide.

Heavy calcium powder for plastic industry

The heavy calcium carbonate powder used for plastic masterbatch and color masterbatch is 400 mesh. It is required that the whiteness remains unchanged after high temperature heating. The ore structure is large crystalline calcite, with calcium carbonate content of 99% and whiteness of 95%. Heavy calcium plays a skeleton role in plastic products, plays a great role in the dimensional stability of plastic products, improves the hardness of products, and improves the surface gloss and surface flatness of products.

Heavy calcium powder for paint industry

Heavy calcium carbonate powder used in emulsion paint is 800 mesh or 1000 mesh, Whiteness: 95%, calcium carbonate: 96%. The dosage of heavy calcium in the paint industry is also large, for example, the dosage in thick paint is more than 30%.

Heavy calcium powder for waterborne coating industry

Heavy calcium carbonate powder for waterborne coatings is 800 mesh or 1000 mesh, Whiteness: 95%, calcium carbonate: 96%. Heavy calcium plays an important role in the water-based coating industry. It can make the coating have the characteristics of no settlement, easy dispersion and good gloss. The dosage in the water-based coating is 20-60%.

Heavy calcium powder for paper industry

The heavy calcium carbonate powder for papermaking is 325 mesh, the whiteness requirement is 95%, and the calcium carbonate content is 98%. Heavy calcium plays a very important role in the papermaking industry, which can ensure the strength and whiteness of the paper, and the cost is low.

Heavy calcium powder for feed and chemical fertilizer industry

In the feed industry, heavy calcium powder is used as calcium increasing agent to replace the original shell powder and reduce the cost.

In the fertilizer industry, heavy calcium powder with different whiteness is used for fertilizer particle size molding and color adjustment.

Heavy calcium powder for construction industry (dry powder mortar, concrete)

Heavy calcium carbonate powder for dry powder mortar is 325 mesh, whiteness requirement: 95%, calcium carbonate content: 98%. Heavy calcium plays an important role in concrete in the construction industry. It can not only reduce the production cost, but also increase the toughness and strength of products.