the change of structure before

Posted by Liu Er over 6 months ago

According to the change of structure before and after film formation, it is divided into two types: transformed and non-transformed. According to its source, it is divided into two categories: natural and synthetic. There are three types of low molecular weight compounds (containing a certain amount of reactive groups), low molecular weight polymers and high molecular weight polymers. A variety of film-forming materials according to national standards a total of 17 categories [(1) oil; (2) natural resin; (3) phenolic resin; (4) asphalt; (5) alkyd resin; (6) amino resin; (7) Nitrocellulose; (8) other cellulose; (9) perchloroethylene resin; (10) olefin resin; (11) acrylic resin; (12) polyester resin; (13) epoxy resin; Carbamate; (15) elemental organic matter; (16) rubber; (17) other. 】 It is the main body of the paint, which determines the performance of the paint film. Related links: tongue and groove fir decking railing tounge and groove cost calculator exterior decking boards