what is pvcIssuing time:2019-08-28 16:55 The natural color of PVC is yellowish translucent and glossy. The transparency is better than that of polyethylene and polypropylene, but worse than that of polystyrene. Depending on the dosage of additives, it can be divided into soft and hard PVC. Soft products are soft and tough, and feel sticky. Hard products have higher hardness than low-density polyethylene. Below polypropylene, whitening occurs at the inflection point. Common products: plates, pipes, soles, toys, doors and windows, wire sheaths, stationery, etc. It is a polymer material that uses a chlorine atom to replace a hydrogen atom in polyethylene. |