Pipeline corrosion protection inner tape
The specification of the tape consists of two layers, adhesive layer and film backing
Adhesive: Butyl rubber
Film backing: Special blend of stabilized polyethylene
Features:
Excellent adhesion to pipe and self
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
Physical Properties
INNER TAPE: XUNDA-T 100 Series
|
Item
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T-138
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T-150
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T-165
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T-175
|
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Total thickness（ASTM D 1000)
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0.38 mm
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0.51 mm
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0.64 mm
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0.76 mm
|
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Polyethylene Film(ASTM D 1000)
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0.23 mm
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0.31 mm
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0.34 mm
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0.37 mm
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Synthetic Adhesive(ASTM D 1000)
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0.15 mm
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0.20 mm
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0.30 mm
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0.39mm
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Elongation at Break(ASTM D 1000)
|
300%
|
400%
|
400%
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500%
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Tensile Strength(ASTM D 1000)
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40 N/cm
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55 N/cm
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60 N/cm
|
63 N/cm
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Yield Strength(ASTM D 1000)
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28.0 N/cm
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35.5 N/cm
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42.3 N/cm
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45.5 N/cm
|
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Peel Adhesion to Primed Pipe
(ASTM D 1000)
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20 N/cm
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25 N/cm
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30 N/cm
|
33 N/cm
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Dielectric Strength(ASTM D 149)
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30 KV/mm
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35 KV/mm
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45 KV/mm
|
48 KV/mm
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Cathodic Disbandment(ASTM G 8)
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0.24 in radius 6.4 mm
|
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Volume Resistivity(ASTM D 257)
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1.5 x 1012 ohm.m
|
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Water Vapor Transmission Rate (24H)
(ASTM F 1249)
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£ 0.1gm/M2/24h
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Water Absorption Rate (ASTM D 570)
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< 0.02%
|
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Recommended Application Temperature
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-5 to +600 C
|
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Max Serve Temperature
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-40 to + 850 C
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Color
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Black
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Available Roll Size (width x length)
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2" to 32" X 50’ to 800’
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