Silicone and polyurethane sealants are the future direction of development


Mar 11,2022



China's synthetic adhesive production enterprises are relatively scattered, there are more than 2,000, and hundreds of specializing in the production of general varieties such as urea-formaldehyde resin adhesives, polyvinyl acetate adhesives, polyacrylic resin adhesives.

With the development of the construction industry, the development of high-rise buildings, interior decoration needs, the amount of construction adhesives has increased sharply. 2000 China's construction adhesive consumption of about 600,000 tons or more. Experts believe that the product structure of such adhesives in China needs to be adjusted. In the country, the construction of decorative adhesives such as polyvinyl acetate, polyacrylic acid, VAE emulsion, etc. can basically meet the needs, but the construction of sealants, structural adhesives also need to be partially imported from abroad.

Sealant adhesives are mainly used for doors, windows and assembled housing prefabricated parts of the connection. In the past, tung oil mixed with lime as a sealant, now the provisions of more than two floors of the building must use synthetic adhesives. Sealant adhesives for silicone and polyurethane adhesives, mid-grade for neoprene-type adhesives, polyacrylic acid, etc.. In China, the construction adhesive market, silicone adhesives, polyurethane sealants should be the future direction of development, currently occupying about 30% of sales of building sealants.


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