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Waterborne polyurethane adhesive can bond automobile interior door panels, instrument panels, ceilings, seats, carpets, rear panels, trunk covers, and other parts.
Another typical application range of waterborne polyurethane adhesive is the bonding of the ceiling in a wet process. In addition, two-components waterborne polyurethane adhesive is also widely used for covering parts such as handrails in cars.
2.The advantages of waterborne polyurethane adhesive used in automobile interior coating
Choosing waterborne polyurethane adhesive can significantly reduce VOC emission and ensure stable bonding quality at the same time. Although the price of waterborne polyurethane adhesive is higher than that of solvent-based adhesive, its solid content is 2~3 times that of solvent-based adhesive. According to proper technology, the unit cost of adhesive for final parts can be similar to that of solvent-based adhesive.
Advantages of Waterborne Polyurethane Adhesive Used in Automobile Interior Coating From the point of view of bonding effect, two-component Waterborne Polyurethane Adhesive can achieve the same bonding effect as solvent-borne Polyurethane Adhesive for PC/ABS material, and PP material, although the wettability of solvent-borne Polyurethane Adhesive is better than that of water-borne Polyurethane Adhesive, neither solvent-borne nor water-borne Polyurethane can meet the strength requirements without substrate preparation. After pretreatment, both waterborne polyurethane adhesive and solvent-based polyurethane adhesive can meet the strength requirements.
In recent years, with the rapid growth of the automobile manufacturing industry, the industrial upgrading of the automobile manufacturing industry can not be separated from the upgrading of supporting facilities and raw materials. Adhesives for automobile interior parts are bound to open new opportunities and challenges. As a traditional non-green environmental protection product, solvent-based polyurethane adhesives will be gradually restricted and replaced. In the future, the development trend of adhesives for automobile interior parts is a series of adhesives with environmental protection and low VOC. Waterborne polyurethane adhesives for automobile interior parts have broad market prospects.
It should be noted that although the water-based system and solvent-based system are similar in vacuum suction, the bonding effect is similar, and the cost can be controlled, but for glue users, we must realize that the water-based system is different from the solvent-based system.
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