Due to the high wall thickness of the pipes, as well as the applied PP material without mineral modifier, an ideal balance between high stiffness and resistance to impact can be reached.

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Due to the high wall thickness of the pipes, as well as the applied PP material without mineral modifier, an ideal balance between high stiffness and resistance to impact can be reached.
In this type of pipe the mechanical properties are the same as in the case of multilayer pipes, however, the specific weight is higher. Diameter range is similar to the one produced in case of multilayer pipes, the ring stiffness SN4 (SDR41), SN8 (SDR34).
The main characteristic of the PVC-U multilayer pipes is the wall structure which is composed of three independent layers of PVC-U. The range of diameters is between 110mm and 500mm with ring stiffness: SN2 (SDR51), SN4 (SDR41) and SN8 (SDR34).