1.UV resistant pipeline protective tape
2.Outer wrapping tape
3Pipe corrosiont protection
4Anti-corrosion tape
5Cold applied
UV resistant pipeline protective tape
Coating System for pipelines-Outer Layer
Maiqiang T-200 series are 2-Ply polyethylene (PE) anticorrosive adhesive tapes. It is Cold wrap tape coating system for Corrosion Protection of Water, Oil and Gas Pipelines.
The outer-layer tape backing shall be compounded so that it will be resistance to outdoor weathering.
Structure
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 StandardCold applied
OUTER WRAP TAPE Maiqiang T-200 Series
Technical Data sheet
Type | T238-15 | T250-20 | T265-25 | T275-30 |
Total thickness | 0.381mm | 0.510mm | 0.650mm | 0.770mm |
Polyethylene Film | 0.251mm | 0.380mm | 0.510mm | 0.620mm |
Synthetic Adhesive | 0.130mm | 0.130mm | 0.140mm | 0.150mm |
Elongation at break | 550% | 587% | 605% | 620% |
Tensile Strength | 56.3 N/cm | 68.8 N/cm | 72.2 N/cm | 75.0 N/cm |
Yield Strength | 35.2 N/cm | 43.0 N/cm | 45.0 N/cm | 50.0 N/cm |
Adhesion to backing at | 5.0 N/cm | 5.0 N/cm | 5.0 N/cm | 5.1 N/cm |
Dielectric Strength | 34.0 KV | 36.0 KV | 38.5KV | 40.0 KV |
Impact resistance | ≥5.5 N•m | |||
Cathodic Disbondment | 6.4mm | |||
Volume Resistivity | ≥2.3X1015 ohm.m | |||
Water Vapor Transmission r ate | ≤0.08 g/m2/24h | |||
Water Absorption Rate | ≤0.05% | |||
Application Temperature | -34 ºC to +85 ºC | |||
Max Serve Temperature | +85 ºC | |||
Color | White ,Black ,yellow or other | |||
Available Roll Size(width * length) | 50 to 750mm X 15 to 240 m | |||
Test Data sheet
Physical Properties | Test Method | Typical Value | |
English | Metric | ||
Total thickness | ASTM D 1000 | 25 mils | 0.640mm |
Backing thickness | ASTM D 1000 | 20 mils | 0.510mm |
Adhesi Adhesive thickness | ASTM D 1000 | 5 mils | 0.130mm |
Width | - | 9” | 228mm |
Length | - | 800 ‘ | 244m |
Backing color | - | White | White |
Tensile strength | ASTM D 1000 | 41.23 lbs/in | 72.2N/cm |
Elongation | ASTM D 1000 | 605% | 605% |
Adhesion to backing at | ASTM D 1000 | 45.7 oz/in | 5.0N/cm |
Cathodic Disbondment | ASTM G 8 | 0.252 in radius | 6.4mm |
Dielectric Strength | ASTM D 149 | 38.0 KV | 38.0 KV |
Impact resistance | ASTM G 14 | 50 in-lbs | 5.5 N•m |
Volume Resistivity | ASTM D 257 | 2.5×1015 ohm.cm | 2.5×1015 ohm.cm |
Water Absorptivity | ASTM D 570 | 0.05% | 0.05% |
Water Vapor Transmissioin Rate 24 h | ASTM F 1249 | 0.005 g/100sq in/24h | 0.075 g/ m2.24h |
Application Temperature | - | -29ºF to 185 ºF | -34 ºC to +85 ºC |
Max Service Temperature | - | 185ºF | +85 ºC |
