ANTI-CORROSION 3PE,FBE

ANTI-CORROSION PROCESSING ABOUT PIPELINE 3PE / PP

Nominal Diameter Range Outside diameters Rang(mm) Coating Type Coating Layer Coating thickness
DN100~600 114.3~609.6 3PEThree layers polyethylene Inside layer: epoxy(Green) 2.0~4.5mm
 Mid Layer:adhesive(White)
Outside layer:polyethylene (Black)
2PE
Two layers polyethylene
Inside layer: adhesive 2.0~4.5mm
Outside layer:polythene
DN80~600 88.9~609.6 FBE
Epoxy
Epoxy 200~400um
2FBE
Two layers epoxy
Inside layer: epoxy(Green) 400~800um
Outside layer:intensity epoxy(sage green)
DN100~600 114.3~609.6 3PP
Three layers polypropylene
Inside layer: epoxy(Green) 2.5~3mm
 Mid Layer:adhesive(White)
Outside layer:polypropylene(White)

 

 Item

Property Index

 Peel Strength (N/cm)
20 ±5℃
20±5℃

≥60
≥40

Cathodic Stripping (mm)
(65℃,48h)

≤10

Impact Strength (J/mm)

≥5

Anti-bending(2.5°)

Polyethylene without cracking

Thickness of 3PE/PP

OD(DN)

Thickness of Epoxy(μm)

Adhesives (μm)

Thickness of Coating (mm)

DN≤100

60-80

170-250

1

1.8

2.5

100<DN≤250

1.2

2

2.5

250<DN<500

1.5

2.2

3

500≤DN<800

2

2.5

3.5

DN≥800

2.2

3

3.5