Heavy-duty anti-corrosion coatings, which can be used in relatively harsh corrosive environments compared to conventional anti-corrosion coatings, and have a class of anti-corrosion coatings that can achieve a longer protection period than conventional anti-corrosion coatings. Areas of use include petrochemicals, mining and smelting, energy including natural gas, petroleum, coal transportation and storage, transportation, and marine engineering, such as oil rigs, coastal facilities, and more.
Currently used heavy-duty anti-corrosion coatings include epoxy resin coatings, polyurethane resin coatings, and glass flake coatings. However, due to the poor weather resistance, low mechanical strength and low temperature resistance during use, the application of modified heavy-duty anti-corrosion coatings has been promoted. Beijing Zhisheng Weihua Chemical Co., Ltd. is a large-scale enterprise dedicated to the research and development of industrial heavy-duty anti-corrosion coatings. Now it has formed a relatively complete ZS series heavy-duty anti-corrosion coating system, which can basically meet the demand of heavy-duty anti-corrosion coatings in various industries.
Establishment of different acid-base corrosion preservative system for heavy anti-corrosion coatings
Heavy-duty anti-corrosion coating ZS-711 marine zinc-rich anti-corrosion coating - an inorganic polymer coating composed of a new inorganic polymer and a dispersion-activated metal, metal oxide nanomaterial, rare earth ultrafine powder, can quickly react with atomic surface atoms It produces an inorganic polymer anti-corrosion coating with physical and chemical double protection and strong bonding with the substrate through chemical bonds. It has no pollution to the environment, long service life and anti-corrosion performance has reached the international advanced level. It is a high-tech replacement product that meets environmental protection requirements.
Heavy-duty anti-corrosion coating ZS-811 high temperature anti-corrosion functional coating - temperature can reach 1800 ° C, functional coating can protect the substrate against corrosion and oxidation in high temperature gas (flue gas), fire, high temperature liquid (seawater, sewage) environment The function of Zhisheng functional coating is high and wear-resistant. It will react with other active molecules in high temperature environment and has a long service life.
Heavy-duty anti-corrosion coating ZS-822 composite ceramic anti-corrosion coating - high temperature silicon fluoride solution, temperature resistance can reach 1400 °C. The main components of the coating pigment are finely processed at a closed high temperature using lanthanide rare earth fine powder, composite α-ceramic micropowder, silicon carbide, and the like. The coating has high temperature resistance and forms a dense ceramic glaze at high temperature. The hardness can reach 7H. The coating is smooth and self-cleaning, impact resistant, long-term acid and alkali corrosion resistant, strong adhesion, waterproof and oil proof, and can also resist organic solvents. Corrosion.
Heavy-duty anti-corrosion coating ZS-1032 resistant to strong oxidation and anti-corrosion coating, ZS-1032 strong anti-oxidation coating can resist strong oxidizing materials such as concentrated acid solution (salt, sulfur, nitrate), strong intermediate, polar solvent for a long time. Oxidation corrosion can also withstand the penetration corrosion of aviation kerosene and other oils. ZS-1032 strong oxidation resistant coating in non-polar solvent, gasoline, jet fuel oil, etc., concentrated HNO3, concentrated sulfuric acid, concentrated sulfuric acid, etc. in concentrated acid solution, low-polarity solvent in butyl acetate, xylene, methyl ethyl ketone In the high-polarity solution of absolute ethanol, the swelling rate of ZS-1032 strong oxidation resistant anti-corrosive coating does not exceed 5 percent after soaking for 500 hours at 100 °C.
Heavy-duty anti-corrosion coating ZS-1023 ultra-high temperature metal anti-oxidation coating, long-term resistance to ultra-high temperature can reach 3000 ° C, can protect the metal from oxidation and corrosion at high temperature, ultra-high temperature anti-oxidation coating can effectively prevent oxygen from infiltrating into the substrate at high temperature. High hardness, impact resistance, high coefficient of linear expansion and good thermal vibration coefficient.
Heavy-duty anti-corrosion coating ZS-1031 wear-resistant anti-corrosion coating - using inorganic-organic mutual transmission network polymer as film-forming solution, pure inorganic ceramic filler, coating temperature can reach 600 ° C, when the coating is cured, the solution and filler cross-link dense The glass phase is stable, the acid and alkali resistance is good, the coating hardness is high, the impact resistance and erosion resistance are strong, the adhesion is firm, and both the wear resistance and the anti-corrosion effect are taken into consideration.
Heavy-duty anti-corrosion coating ZS-1041 flue gas anti-corrosion coating - made of inorganic polymer-based interpenetrating network polymer as a film-forming substance, the main components are nano-beads, ceramic micro-beads, silicon carbide, boron nitride, fine Crystalline alumina, ultra-fine zinc oxide, titanium oxide, etc., made of cermet functional filler to improve the wear resistance and corrosion resistance of the coating, using inorganic fibers to enhance the impact resistance of the coating. Temperature resistance: anti-corrosion of the inner and outer surfaces of flue, chimney, dust collector, kiln, boiler, etc., the use temperature is less than 750 °C.
The physical principle of anti-corrosion is to isolate the protected material from corrosive substances from the outside with an anti-corrosion coating. The physical principle of anti-corrosion coating is to use a film-forming agent to obtain a dense anti-corrosion coating to isolate the anti-corrosion effect on the material to be protected. The electrochemical action of anti-corrosion means adding some special substances to the anti-rust coating. When moisture and oxygen pass through the anti-rust coating, they react to form anti-corrosion ions, which passivate the surface of the metal such as steel, thereby preventing the elution of metal ions and achieving the purpose of heavy corrosion prevention.
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