Repair patch is a heat-applied patch, which in combination with mastic filler, offers an economically effective and highly qualified repairing system for factory PE pipe coatings damaged mechanically during transportation, storage, and laying of pipes.
Damages extending up to 300mm or 100 c㎡ to 3LPE line coatings or sleeves shall be repaired by a PE repair patch.
Features:
― Long-lasting and high performance
― Specially used in repairing damaged PE-coating and PP-coating on steel such as scratches, air bubbles, and cutting
― Save time with fast and convenient installation, no special equipment is required.
― Adhere closely to the surface of PE-coating and PP-coating on steel pipeline and form a continuous corrosion prevention system with the surface of the pipe.
― Anti-impact, wear-ability, chemical corrosion protection, water permeability. Easily adapts itself to the environment.
Product Performance
Item | Test method | Performance |
PE backing |
Tensile Strength | ASTM D-638 | 22MPa |
Elongation | ASTM D-638 | 600% |
Hardness, shore D | ASTM D-2240 | 55 |
Dielectric strength | ASTM D- 149 | 21KV/mm |
Water absorption | ASTM D-570 | 0.05% |
Adhesive |
Softening point | ASTM E-28 | 120℃ |
Lap shear | ASTM D-1002 | 90N/c㎡ |
Installed system |
Peel strength | ASTM D-1000 | 40N/cm |
Cathodic disbondment | ASTM G-42 | 8mm radius |
Impact resistance | EN12068 | ≥15J |
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