Features
Heavy duty adhesive
Resistant to UV
Can be applied over a wide temperature range
Good conformability and consisten
Coating System for Girth Weld Coating, Coating of Fitting, Coating Repair –Joint wrap
Maiqiang T-300 series are 2-Ply polyethylene (PE) anticorrosive adhesive tapes. It is Cold wrap tape coating system for Girth Weld Coating, Coating of Fitting, Coating Repair.
Type | T-365 | T-380 | T-3100 | T-3030 | ||
Total thickness | 0.64mm | 0.76mm | 1.02mm | 1.27mm | ||
Polyethylene Film | 0.28mm | 0.30mm | 0.35mm | 0.50mm | ||
Synthetic Adhesive | 0.36mm | 0.46mm | 0.67mm | 0.77mm | ||
Elongation at break | ≥400% | ≥450% | ≥450% | ≥500% | ||
Tensile Strength | ≥45N/cm | ≥60 N/cm | ≥80N/cm | ≥100 N/cm | ||
Dielectric Strength | 40 KV/mm | 42kv/mm | 42.5 kv/mm | 45 kv/mm | ||
Volume Resistivity | 2.5X1012 ohm.m | |||||
Water Vapor Transmission ate | ≤0.1gm/m2/24h | |||||
Water Absorption Rate | <0.1% | |||||
Recommended Application Temperature | -5 ºC to +60 ºC | |||||
Max Serve Temperature | -40 ºC to +80 ºC |
Physical Properties | Test Method | Typical Value | |
English | Metric | ||
Total thickness | ASTM D 1000 | 30.0 mil | 0.75mm |
Backing thickness | ASTM | 12.0 mil | 0.30mm |
Adhesive thickness | ASTM | 18.0 mil | 0.45mm |
Width | - | 2”-32” | 50-800mm |
Length | - | 100”-800” | 30-240m |
Backing color | - | Black, Yellow or other |
|
Tensile strength | ASTM | 33.6lbs/in | 60N/cm |
Elongation | ASTM | 450% |
|
Peel Adhesion to primed steel pipe | ASTM | 274 oz/in | 30 N/cm |
Cathodic Disbandment | ASTMG8 | 0.25 in radius 6.4mm |
|
Dielectric Strength | ASTM D 149 | 40 Kv |
|
Volume Resistivity | ASTM D 257 | 2.0×1012 ohm.cm |
|
Water Absorptivity | ASTM D 570 | 0.05% |
|
Water Vapor Transmissioin Rate (24h) | ASTM F1249 | 0.01g/100sq in/24h | 0.1g/100sq mm/24h |
Application Temperature |
| 14ºF to 140 ºF | -10ºC to 60 ºC |
Max Service Temperature |
| -40ºF to 176 ºF | -40ºC to 80 ºC |
Features
Heavy duty adhesive
Resistant to UV
Can be applied over a wide temperature range
Good conformability and consistent uniform thickness
Easily applied with no special equipment
Conformable to irregular shapes.
Meets ASTM D 1000 Standard
Cold applied