from : Engineeringtoolbox.com
Polyethylene pipes are also classified by the type of material used:
The Minimum Required Strength - MRS - according ISO 4427 for the different materials are:
Designation of materialMRS at 50 years and 20oC
Mpa (bar)PE 10010 (100)PE 808 (80)PE 636.3 (63)PE 404 (40)PE 323.2 (32)
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There is no thermodynamic difference between them .
PE stands for polyethylene, which is the material used to make the plastic pipe. The numbers 80 and 100 refer to the density of the polyethylene, with PE80 having a lower density than PE100. The density affects the strength and durability of the pipe, with higher density pipes being stronger and more durable.
26mm
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