1.3PE anti corrosion layers: adhesive epoxy(60-80µm),
copolymer adhesive(170-250µm) and high density polyethylene(
2. 2PE anti corrosion layers: copolymer adhesive (170-250µm) and high density polyethylene (
3.Peel strength: 3PE layers is more than 100N/cm, 2PE layers is more than 70N/cm
4.Spark leak level; ≥25KV
5.impulse withstand test: ≥50kg/cm
Remark: we can use coal tar epoxy as the anti corrosion layer according to customer’s request.