Gold jewellery

What does HDPE double wall corrugated pipe ring stiffness mean?

HDPE pipe manufacturers say that HDPE double-wall corrugated pipe ring stiffness refers to the pressure resistance of the pipe performance indicators, such as: SN4 stands for the ring stiffness of hdpe double-walled bellows, that is, the pressure per square meter can withstand is greater than or equal to 4 kN. Note: SN4 is also called …

What does HDPE double wall corrugated pipe ring stiffness mean? Read More »