1.Joint wrap tape
2.Heavy duty adhesive
3.Resistant to UV
4.Meets ASTM D 1000 Standard
5.Cold applied
Cold applied corrosion protection adhesive tape
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.
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
JOINT TAPE Maiqiang T-300 Series
Technical Data sheet
Type | T365-25 | T370-30 | T389-35 | T3100-40 | T3130-50 |
Total thickness | 0.650mm | 0.700mm | 0.890mm | 1.020mm | 1.300mm |
Polyethylene Film | 0.390mm | 0.420mm | 0.160mm | 0.400mm | 0.260mm |
Synthetic Adhesive | 0.260mm | 0.280mm | 0.730mm | 0.620mm | 1.040mm |
Elongation at break | 550% | 560% | 465% | 550% | 551% |
Tensile Strength | 75.0 N/cm | 82.0 N/cm | 45.5 N/cm | 65.2 N/cm | 68.8 N/cm |
Yield Strength | 50.0 N/cm | 54.5 N/cm | 28.4 N/cm | 41.0 N/cm | 43.0 N/cm |
Peel Adhesion to Primed Pipe | 28.0 N/cm | 28.0 N/cm | 38.0 N/cm | 35.0 N/cm | 42.5 N/cm |
Adhesion to backing at | 5.3 N/cm | 5.3 N/cm | 7.5 N/cm | 6.5 N/cm | 8.3 N/cm |
Dielectric Strength | 27.0 KV | 28.0 KV | 26.5 KV | 28.0 KV | 30.0KV |
Cathodic Disbondment | 6.4mm | ||||
Volume Resistivity | ≥2.5X1015ohm.m | ||||
WaterVaporTransmissionrate | ≤0.1 g/m2/24h | ||||
Water Absorption Rate | <0.06% | ||||
Application Temperature | -34 ºC to +85 ºC | ||||
Max Serve Temperature | +80 ºC | ||||
AvailableRollSize(width*length) | 50 to 750mm X 15 to 240 m | ||||
Color | White, Black, Yellow or other | ||||
Test Data sheet
Physical Properties | Test Method | Typical Value | |
English | Metric | ||
Total thickness | ASTM D 1000 | 35 mils | 0.900mm |
Backing thickness | ASTM D 1000 | 6 mils | 0.165mm |
Adhesive thickness | ASTM D 1000 | 29 mils | 0.735mm |
Width | - | 4” | 101mm |
Length | - | 200” | 61m |
Backing color | - | white | white |
Tensile strength | ASTM D 1000 | 26.0 lbs/in | 45.5 N/cm |
Elongation | ASTM D 1000 | 402% | 465% |
Peel Adhesion to primed steel pipe | ASTM D 1000 | 347 oz/in | 38 N/cm |
Cathodic Disbondment | ASTM G 8 | 0.252 in radius | 6.4mm |
Dielectric Strength | ASTM D 149 | 26.5KV | 26.5 KV |
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 (24h) | ASTM F 1249 | 0.006g/100sq in/24h | 0.10g/ m2.24h |
Application Temperature | - | -29ºF to 185 ºF | -34ºC to +85 ºC |
Max Service Temperature | - | 185ºF | +85 ºC |
