Pipeline Anti‑corrosion Heat‑shrinkable Tape Series
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Products and ServicesPipeline Anti‑corrosion Heat‑shrinkable Tape SeriesRadiation Cross-linked Polyethylene Heat Shrinkable Tape & Sleeve
Radiation Cross-linked Polyethylene Heat Shrinkable Tape & Sleeve

Radiation Cross-linked Polyethylene Heat Shrinkable Tape & Sleeve

It is a high-performance special material dedicated to pipeline anti-corrosion and sealing, laminated with radiation cross-linked polyethylene substrate and special sealing hot-melt adhesive layer.<br>The substrate is manufactured through extrusion, radiation cross-linking and stretching processes to form a stable three-dimensional network structure with excellent shape memory effect. When heated, the hot-melt adhesive can form high-strength bonding with steel pipes and epoxy coatings.<br>During construction, heat the material to 140℃–160℃; the substrate shrinks radially while the hot-melt adhesive melts to fill gaps. It seamlessly wraps pipe welds, elbows, flanges and other parts to form a sealed anti-corrosion coating.

Features

  • Outstanding Mechanical Properties
    Tensile strength ≥ 20 N/mm², elongation at break ≥ 400%; impact-resistant and wear-resistant, capable of withstanding various mechanical stresses generated during pipeline operation
  • Superior Weather Resistance
    Low performance degradation after thermal aging test at 150℃ for 21 days and UV aging test. It achieves an outdoor service life of no less than 10 years and an underground service life up to 30 years
  • Reliable Adhesion Performance
    Peel strength against original 3PE anti-corrosion coatings and epoxy coatings of steel pipes ≥50 N/cm. It delivers firm adhesion that resists peeling, compatible with all types of pipeline anti-corrosion coatings

Application Areas

  • Long-distance Oil & Gas Transmission Pipelines
    Long-distance Oil & Gas Transmission Pipelines
    Anti-corrosion joint coating for irregular components such as weld joints, elbows, tees and flanges of buried and overhead steel pipelines
  • Municipal Energy Projects
    Municipal Energy Projects
    Joint sealing for urban gas, heating and water supply pipelines, applicable to high and low pressure pipelines as well as rehabilitation of aged pipelines
  • Pipelines for Special Service Conditions
    Pipelines for Special Service Conditions
    Protection of pipeline joints and repair of damaged coatings for pipelines operated in highly corrosive and high-stress environments including saline-alkali land, seabed and desert

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