Specifications 1, Structure: epoxy powder, copolymer gel, PE anti-corrosion layer 2, Applications: ... plastic bag or as customer's requestDelivery Detail: 30 daysSpecifications 1, Structure: epoxy powder, copolymer gel, PE anti-corrosion layer2, Applications: ... directly buried steam insulation pipeline accessories technical conditions3.GB/T9711.1-1997: Oil and gas industry conveying pipe delivery and ...