... layers, namely the inner layer is binary solvent free epoxy primer, the middle layer is hot-melt adhesive, the ... linked PE. The two-layer sleeve bears no primer. The sleeve is specially designed for the on- ... 600 537 260 600 φ 457 14 XDRSY 595/280/600 595 280 600 φ 529 15 XDRSY 700/330/600 ... and the coating layer of PE,PP, epoxy powder, and epoxy coal pitch to produce effective sealing protection.1 ...