0.5mm thickness black polyethylene cold applied wrapping tape is cold applied tape coating system for corrosion protection of Oil, Gas, Petrochemical, and Waste Water underground or overhead pipelines.
The Polyethylene cold applied wrapping 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
→ The tape can be used in a wide range of temperatures: -30℃~80℃。
→ Good anticorrosion, the tape also enjoys crashworthiness.
→ Long durability, the tape can be used for 30 years.
→ Wide application, the tape is suitable for pipe from 50mm to 1800mm
→ Repair of pipelines, storage tanks, and irregular shapes like flanges, tees, bends, elbows, etc.
→ Cold adhesive tape includes three parts: anticorrosion tape, protective tape, repair tape.
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 others |
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℉-140℉ | -10 ℃ - 60 ℃ |
Max Service Temperature |
| -40℉-176℉ | - 40 ℃ - 80℃ |
Product specification
Color | black |
Width(mm) | 50,75,100,150,200mm |
Length(mm) | 50m |
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