Item

Property (in)

Peel Strength (N/cm)
20±5°C
50±5°C

≥60
≥40

Cathodic disbonding (mm)
(65°C,48h)

≤10

Impact strength (J/mm)

≥5

Anti-bending (2.5°)

Polyethylene without cracking

Steel pipe DN

Thickness of epoxy(um)

Adhesives(um)

Thickness of coating(mm)

DN≤100

60-80

170-250

1

2

3

100<DN≤250

1.0

1.8

2.5

250<DN≤500

1.5

2.0

2.5

500<DN≤800

2.0

2.5

3.5

DN≥800

2.2

3.0

3.5