PE water supply pipe has stretchability, but what benefits does the stretchability of PE water supply pipe have for PE water supply pipe? So here's a brief look at the benefits of stretching.
Polymer has the widest range of mechanical properties in all known materials, which is due to the fact that polymer is composed of long chain molecules, and the molecular movement has obvious relaxation characteristics. For example, the elongation at break of general PE is 90%-950% if the polymer material has a fairly high elongation. Through special manufacturing process, the elongation of some materials can be above 1000%, while the elongation at break of common polymer material is mostly between 50%-100%. Usually, heat shrinkable film and stretching film are required to improve the tensile properties of materials.
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