The basic knowledge of PVC foam board we should understand
The basic knowledge of PVC foam board we should understand 1. What is rigid PVC foam plastic? This time should be said that the history is not long. It was developed in the 1970s and the true industrialization was also in the 1990s. As soon as this material came out, people called it "future wood", and its chemical composition was polyvinyl chloride. Because rigid PVC low foam products are w