Polyethylene 3ply tape is cold applied tape coating system for corrosion protection of oil, gas, petrochemical, and waste water underground or overhead pipelines. It is a three-ply cold applied tape with stabilised polyethylene bcking and butyl rubber adhesive layers on both sides.It is also used as inner-layer tape. It shall be applied by hand or with a wrapping machine
Features:
Excellent bonding between adhesive and carrier film via co-extruded intermediate layer.
Mechanically highly resistant tape system.
Practically impermeable to water vapour and oxygen.
Resistant to soil bacterial and soil electrolyte.
Compatible with coating from PE, PP, FBE, PU, CTe and bitumen and EXT
A total coating system with:
High adhesion and shear resistance
Resistance to corrosion disbondment
High electrical resistance
High dielectric strength
High corrosion protection for steel substrates
Iii technical datas
Properties UnitT 480T 4100Test method
Color carrie film
Adhesive inner layer
Adhesive outer layer--Black(grey/green)
Black
BlackBlack(grey/green)
Black
Blac--
Thickness carrie film
Internal adhesive
External ahesiveMm
Mm
Mm0.3
0.34
0.160.3
0.45
0.25Astm d 1000
Tensile strengthN/cm6770Astmd1000
Elongation at break%450500Astmd1000
Peel strength to pipe surface at 23
At 50N/cm
18
1.3
20
1.5En 12068
Annex c
Peel strength tape to tape at 23 at 50N/cm
25
3.5
30
4.0En 12068
Annex b
Dielectric strengthKv/mm3233.8Astmd149
Insulation resistanceOhm.M÷10121012En 12068
Water vapor transmissionG/ m2 /24h0.10.1Astm e 96
Brittleness temperature-464-464Din53372
Water absorption%0.1 max0.1 maxAstm d 570
Impact resistance at 23¡æJ1818En 12068
Cathodic disbandment at 23¡æc
At 50¡æcMm15
3015
30
En 12068
Lap shear strength at 50N/mm20.050.05En 12068.
Paper cartons packaging with waterproof menmbrane.
Supplier: Stretch Film, Polypropylene Strap, And Polyethylene Strap.