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The XUNDA-T-100 series 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 Liquid adhesive 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
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
Physical Properties |
Test Method | Typical Value | |
English | Metric | ||
Total thickness | ASTM D 1000 | 20.0 mil | 0.50 mm |
Backing thickness | ASTM D 1000 | 12.0 mil | 0.30 mm |
Adhesive thickness | ASTM D 1000 | 8.0 mil | 0.20 mm |
Width | - | 2’’- 32 ‘’ | 50 -800 mm |
Length | - | 100’ -800 ‘ | 30 -240 m |
Backing colour | - | Black,Yellow or orthers | |
Tensile strength | ASTM D 1000 | 27 lbs/in | 45 N/ cm |
Elongation | ASTM D 1000 | 400 % | |
Peel Adhesion to primed steel pipe | ASTM D 1000 | 228 oz/in | 25 N/cm |
Cathodic Disbandment | ASTM G8 | 0.25 in radius 6.4 mm | |
Dielectric Strength | ASTM D 149 | 33 Kv | |
Volume Resistivity | ASTM D 257 | 2.2x1012 ohm.cm | |
Water Absorptivity | ASTM D 570 | 0.06 % | |
Water Vapor Transmission Rate (24h) | ASTM F1249 | 0.01g/100sq in/24h | 0.1g/100sq mm/24h |
Application Temperature |
| 14°F-140°F | -10 °C - 60 °C |
Max Service Temperature |
| -40°F-176°F | - 40 °C - 80°C |
