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current position：Information and data>Application of Tungsten Carbide Ceramic Coating Squeegee in Paper Industry
Application of Tungsten Carbide Ceramic Coating Squeegee in Paper Industry
Ceramic coating scraper refers to the metal oxide thermal spraying on the surface of the pretreated steel scraper edge, and the scraper blade after grinding has many advantages such as wear resistance, long service life and stable paper quality. Why choose tungsten carbide ceramic coating scraper? Tungsten carbide (WC), the full name of black hexagonal crystal, has metallic luster, and its hardness is similar to that of diamond. It is a good conductor of electricity and heat. The melting point is 2870°C, the boiling point is 6000°C, and the relative density is 15.63 (18°C). Tungsten carbide is insoluble in water, hydrochloric acid and sulfuric acid, but is easily soluble in the mixed acid of nitric acid and hydrofluoric acid. Pure tungsten carbide is fragile. If a small amount of titanium, cobalt and other metals are added, the brittleness can be reduced. At the same time, tungsten carbide has stable chemical properties. The characteristics of tungsten carbide coating: 1. Wear-resistant coating: The hardness is only lower than that of diamond. 2. Corrosion-resistant coating: Corrosion-resistant environment such as hydrogen sulfide and saturated salt water. 3. Cavitation-resistant coating: underwater working environment such as ships. 4. Insulation coating: The metal workpiece is insulated with a withstand voltage of 3000v. 5. Surface strengthening layer: The graphite surface strengthens anti-adhesion. 6. High temperature corrosion coating: ablation resistant to 1900 degrees, imitating high temperature adhesion and damage to the workpiece.
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