I description:
Polyethylene anticorrosive tape is cold applied tape coating system for corrosion protection of oil, gas, petrochemical, and waste water underground or overhead pipelines.
The inner-layer tape shall be applied after the primer and before the outer-layer tape by hand or with a wrapping machine
structure
The specification of the tape consists of two layers, adhesive layer and film backing
Adhesive: butyl rubber
Outer layer: special blend of stabilized polyethylene
Iii Features
Excellent adhesion to pipe and self
Resistant to uv
Can be applied over a wide temperature range
Good conformability and consistent uniform thickness
Easily applied with no special equipment
Compatible with common pipe coatings
Excellent resistance to cathodic disbonding
Meets astm d 1000 standard
Cold applied
Technical datas:
Inner wrap tape: xunda-t 100 series
TypeT-150T-165T-180
Total thickness0.51 mm0.65 mm0.80 mm
Polyethylene film0.31 mm0.34 mm0.39 mm
Synthetic adhesive0.20 mm0.31 mm0.41 mm
Elongation at break„d 400%
Tensile strength60 n/cm61.2 n/cm63 n/cm
Yield strength35.5 n/cm42.3 n/cm45.5 n/cm
Peel adhesion to primed pipe21.2 n/cm26.5 n/cm33.2 n/cm
Dielectric strength35 kv/mm45.8 kv/mm48 kv/mm
Cathodic disbandment0.24 in radius 6.4 mm
Volume resistivity2.5 x 1012 ohm.M
Water vapor transmission rate „t 0.1gm/m2/24h
Water absorption rate < 0.06%
Recommended application temperature -5 to +600 c
Max serve temperature-40 to + 800 c
ColorBlack
Available roll size (width x length)2" to 9" x 50 to800 feet.
Paper cartons packing with waterproof membrane.
Polyethylene anticorrosion tape is cold applied tape coating system for corrosion protection of oil, gas, petrochemical, and waste water underground or overhead pipelines. The outer-layer tape backing shall be compounded so that it will be resistance to outdoor weathering.
The outer-layer tape shall be applied after the inner-layer tape by hand or with a wrapping machine.
Ii structure
The specification of the tape consists of two layers, adhesive layer and film backing
Adhesive: butyl rubber
Outer layer: special blend of stabilized polyethylene
Iii features:
Excellent adhesion to inner-layer tape and self
Resistant to UV
Can be applied over a wide temperature range
Good conformability and consistent uniform thickness
Easily applied with no special equipment
Compatible with common pipe coatings
Excellent resistance to cathodic disbonding
Meets astm d 1000 standard
Cold applied
technical datas:
Outer wrap tape: xunda-t200 series
TypeT 250T 265T 280
Total thickness0.51 mm0.65 mm0.80 mm
Film0.38 mm0.51 mm0.63 mm
Adhesive0.13 mm0.14 mm0.17 mm
Elongation at break„d 400%
Tensile strength45.3 n/cm50.8 n/cm60.1 n/cm
Yield strength35.9 n/cm43.4 n/cm45.8 n/cm
Dielectric breakdown32.9 kv/mm43.5 kv/mm45.2 kv/mm
Cathodic disbandment0.24 in radius 6.4 mm
Volume resistivity2.5 x 1012 ohm.M
Water vapor transmission rate „t 0.08 gm/m2/24h
Water absorption rate < 0.07%
Recommended application temperature -50 to +600 c
ColorWhite
Available roll size (width x length)2" to 9" x 50 to 800 feet.
Paper carton packing with waterproof membrane.
Polyethylene joint tape is cold applied tape coating system for anti corrosion of field joints, fittings, and specifically pipeing. The adhesive is a key in ground performance characteristic coupled with the low and high density polyethylene backing.
The joint wrap tape shall be applied by hand or with a wrapping machine.
II structure
The specification of the tape consists of two layers, adhesive layer and film backing
Adhesive: butyl rubber
Outer layer: special blend of stabilized polyethylene
III features:
Heavy duty adhesive
Resistant to UV
Can be applied over a wide temperature range
Good conformability and consistent uniform thickness
Easily applied with no special equipment
Conformable to irregular shapes.
Meets astm d 1000 standard
Cold applied
Technical datas:
ItemT-365T-380T-3100T-3130
Total thickness (mm)0.640.761.021.27
Backing thickness (mm)0.280.300.350.50
Adhesive thickness (mm)0.360.460.670.77
Tensile strength (n/ cm)456080100
Elongation (%)400 450450500
Adhesion to prime pipe (n/cm)25
Dielectric strength (kv/cm)404242.545
Volume resistivity.M)2.5x10122.5x10122.5x10122.5x1012
Water vapor transmission rate24h0.1
Water absorptivity (%)0.10.1
Uv resistance 600h80 %80 %80 %80 %
Application temperature -5 to 60 0 c
Max serve temperature-40 to 80.
Paper carton packaging with waterproof membrane.
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.
