2024年10月23日 · Foam plastic is a type of polymer material formed by a large number of gas micropores dispersed in solid plastic. It has the characteristics of light weight, heat insulation, …
foamed plastic, synthetic resin converted into a spongelike mass with a closed-cell or open-cell structure, either of which may be flexible or rigid, used for a variety of products including …
The methods to improve the performances of some traditional plastics, such as PUR, PVC and so on and the developments of developing new-type expandable materials such as PI, PMI and …