Polyethylene pipe anti-corrosion tape polyethylene film as a backing group, the integration process through a special formulated high viscosity rubber modified asphalt, then covered with a layer of insulating film is formed. Compared with conventional polyethylene tape, anticorrosive tape using the current world’s advanced anti-corrosion adhesive formulation technology, anti-corrosion layer thicker, so that the adhesive tape has a stronger and more elastic, tape and Pipes adhesive seal between the closer and more secure.
Polyethylene tape anticorrosive performance
project name |
Product enterprise standards |
National industry standards |
Reference standards |
The base film material |
Polyethylene sheet |
-- |
SY/T 0414-2007 "Coating technology standard steel pipeline polyethylene adhesive tape China National Petroleum"
"Buried City Gas Steel Pipe" Corrosion Control Technical Specification |
The base film color |
Black, yellow, white |
-- |
|
The thickness of the base film |
0.30±0.10mm |
≥0.2 mm |
|
Anti-corrosion layer of glue |
Butyl rubber modified asphal |
-- |
|
The overall thickness of the tape |
1.0-2.0 mm |
≥1.0 mm |
|
Tensile Strength |
≥18Mpa |
≥18Mpa |
|
Elongation at break |
≥300 % |
≥200 % |
|
And steel peel strength |
≥45 N/cm |
≥20 N/cm |
|
And backing peel strength |
≥40 N/cm |
≥20 N/cm |
|
Electric strength MV/m |
≥ 30 |
≥ 30 |
|
Volume resistivity |
1.0×1013Ω.m |
≥1.0×1012Ω.m |
|
Water vapor permeability |
< 0.45(24h)(mg/cm2 ) |
≤0.45 |
|
Heat aging |
≥ 75% |
≥ 75% |
|
Photoaging(600h) |
