What type of HDPE pipe is this? (Do HEPE manufacturers know?) ）
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I worked on a project involving foreign parties, and the foreigners replied as follows: Do any industry experts know what kind of product this is? This HDPE co-extruded (white coated) HDPE pipe is not commonly available in China, but it is necessary for this project in order to reduce the impact of solar radiation on the performance of HDPE. It will be necessary to check whether such pipes are available in China, or to purchase them from Australia.
Judging from its abbreviation, HDPE stands for high-density polyethylene; it has good insulation properties, a melting point of at least 100 degrees, resistance to acids and alkalis, does not absorb water, and can withstand certain low temperatures. It can be processed into tubes, rods, or sheets
Extruded tubes are indeed rare; we use wound tubes more often. Ask NaChuan, Cangzhou Mingzhu, and Weixing to see if they have it
It is an co-extruded HDPE pipe with a white surface coating, which is not common in the Chinese market. This type of pipe is used to reduce the degradation of HDPE caused by sunlight.
Bro gets it: handshake
Check the Australian standard AS/NZS 4130