Using modified polyurethane emulsion with high adhesion as the binder, the adhesion strength is as high as 2.1MPa, which can firmly adhere to the surface of GRC and PC prefabricated components without falling off or peeling. The high temperature resistance can reach 125℃, adapting to the high temperature curing process of prefabricated components. The salt spray resistance reaches 5200 hours, making it suitable for prefabricated buildings in coastal areas. The solid content is as high as 76%, and one coating can achieve the ideal texture effect. The VOC content is ≤8g/L, meeting environmental protection standards. The construction is suitable for industrialized production lines, and batch spray production can be realized, greatly improving the decoration efficiency of prefabricated components. Compared with the traditional prefabricated component decoration process, the cost is reduced by 40%, and the decoration effect is unified and stable.
The adhesion strength is 2.1MPa, the salt spray resistance is 5200 hours, the high temperature resistance is 125℃, the solid content is 76%, the water wash resistance is 10000 times, the weather resistance is 12 years, the VOC content is ≤8g/L, the construction thickness is 0.5-0.8mm, the coating rate per pass is 2.0-2.2 ㎡/kg, the applicable construction temperature is 5-35℃, the packaging specifications are 25kg/bag and 50kg/bag, and it meets the national building material industry standards.
It is suitable for decoration of GRC exterior wall panels, PC prefabricated stairs, prefabricated walls and other components of assembled buildings, adapting to the production process of industrialized prefabricated components, and can realize batch standardized decoration. It is suitable for assembled building projects of residential real estate and commercial industrial parks, especially suitable for assembled buildings in coastal, high temperature and high salt fog areas, improving the appearance texture and durability of prefabricated components.
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