External coating tape for steel pipe
Composition:It is tape-shaped anticorrosion material made of Polyethylene film heat laminated with adhesive layer of butyl glue.
Usage: It is extensively used in the pipework of oil and natural gas transportation, petrochemical industry, electric power, metallurgy, urban natural gas network of pipes, the outside anticorrosion project of the metal pipes involved as well as the outside anticorrosion project of the underground and overhead metallic conduit of the works of petrochemical industry, natural gas and coal transportation
Thickness: 0.30 - 2.0 mm
Width: 50, 75, 100, 150, 230,300mm
Length: 30 - 200m
Features: High Strength,Corrosion Protection, Excellent Adhesion
XUNDA-T 265 Outer tape
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Physical Properties
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Test Method
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Typical Value
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English
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Metric
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Total thickness
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ASTM D 1000
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25.0 mil
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0.64mm
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|
Backing thickness
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ASTM D 1000
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16.0 mil
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0.40 mm
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Adhesive thickness
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ASTM D 1000
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9.0mil
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0.24 mm
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Width
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-
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2’’- 32 ‘’
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50 -800 mm
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Length
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-
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100’ -800 ‘
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30 -240 m
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Backing colour
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-
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White,Yellow or orthers
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Tensile strength
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ASTM D 1000
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29.1 lbs/in
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52 N/ cm
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Elongation
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ASTM D 1000
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400 %
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Peel Adhesion to inner-layer tape
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ASTM D 1000
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45 oz/in
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5 N/cm
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Cathodic Disbandment
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ASTM G8
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0.25 in radius 6.4 mm
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Dielectric Strength
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ASTM D 149
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40 Kv
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Volume Resistivity
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ASTM D 257
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2.2x1012 ohm.cm
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Water Absorptivity
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ASTM D 570
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0.067 %
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Water Vapor Transmission Rate (24h)
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ASTM F1249
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0.01g/100sq in/24h
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0.1g/100sq mm/24h
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|
UV resistance
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-
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Excellent
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Application Temperature
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-
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14°F-140°F
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-10 °C - 60 °C
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Max Service Temperature
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-
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-40°F-176°F
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- 40 °C - 80°C
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