The essence of PVC pipe is a kind of vacuum blister film, which is used for the surface packaging of various panels, so it is also called decorative film and adhesive film, which is used in building materials, packaging, medicine and many other industries. Among them, the building materials industry accounts for the largest proportion, at 60%, followed by the packaging industry, and there are several other small-scale applications.
PVC pipes have been used for a long time and chloride ions are precipitated. They are not suitable for tap water pipes. They have poor impact resistance and are not suitable for gas pipes. However, PVC pipes are low in price and high in hardness. They are affected by temperature and heat up and down. Therefore, PVC pipes are divided into Water supply pipes and drainage pipes are used for municipal water supply and drainage, industrial water supply and drainage, civil water supply and drainage, irrigation, and vegetation watering....