... Corrosion Resistant Name: Polyethylene tubeSpecification:1,Material: high quality HDPE100 or PE802,Colors: black OR others on request 3,Standard: GB/T13663 ... additives, would not be covered with dirt or contaminated by bacterium 2,Corrosion Resistant: resist chemical matters ... or any question you have, please feel free to contact me, we will give you our best service and large discounts. High quality ...