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Through the above method, the heat resistance of PVC can be significantly improved to maintain good physical properties and chemical stability in a high temperature environment.

COD pipe production line is a new product developed by Longchangjie Machinery in recent years, and the first to be launched in China. It has the characteristics of high output, simple process, high degree of automation, easy operation, etc., which fills the domestic gap and is at the leading level.

Twin-screw extruders and single-screw extruders have significant differences in design and function, and these differences determine that they are suitable for different application scenarios.

PVC foam board is widely used in various fields. Therefore, it is very important to protect the foam board during use, and the following methods can be taken to protect and extend the service life.