Compared with traditional wear-resistant coatings, this coating uses 9 Mohs hardness alumina ceramic powder as the main raw material, with wear resistance index as low as 0.001g/1000r, far exceeding the industry average. Its ultra-high adhesion strength of over 60MPa prevents coating peeling under heavy load conditions, and it can withstand a maximum working temperature of 1200℃, solving the industry pain point of coating failure under high-temperature working conditions. In addition, the coating has excellent chemical corrosion resistance, can cope with complex working environments such as acid, alkali and organic solvents, and supports standardized construction technology of airless spraying and sintering, adapting to a variety of metal and ceramic substrates.
The standard coating thickness range of this coating is 0.15mm to 0.3mm, and the dosage per square meter is about 0.18-0.3kg (calculated by dry film). The density of the cured coating is about 3.8g/cm³, and it is suitable for steel, aluminum and ceramic workpieces with a substrate thickness range of 2mm to 200mm. Before construction, the substrate needs to be sandblasted and derusted, with roughness controlled at Ra50-Ra75μm. The sintering temperature should be controlled at 1600℃-1700℃, and the holding time is 1-2 hours. The surface flatness of the coating can reach Ra1.6μm, and the color can be adjusted to gray or white according to customer needs.
It is mainly used for heavy-duty and heavy-wear equipment components such as sintering machine screen plates in the metallurgical industry, wear-resistant liners of mining conveying belts, pulverized coal pipelines in the power industry, and mill liners in the cement industry. It can also be used for press rollers in the papermaking industry and stirring blades in the chemical industry. It is suitable for industrial scenarios that need to withstand long-term high-speed friction, particle scouring and high-temperature corrosion, effectively reducing equipment downtime and maintenance costs for enterprises.
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