CNPetro Hitech Co.,LTD
CNPETRO HITECH CO.,LTD FOCUS ON SEALING & WATERPROOF & CORROSION PROTECTION
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Product Profile
Repair Patch is heat-applied patch ,matched with mastic filler, offers an economically effective and high quality repair system for factory pipe coatings damaged mechanically during transportation, storage and laying of pipes.
Construction
PE-Repair Patch be used for PE coatings,
PP-Repair Patch be used for PP coatings.
Features & Benefits
● Adaptable on repairing the damaged areas on PE or PP coated pipes used in high shear applications, such as directional drilling.
● Provides a virtually monolithic coating repair of high quality.
●Makes installation fast and easy. Keeps installation costs low.
● Saves time with fast and convenient installation.
● Saves money by keeping inventory and logistics costs low.
Product properties
| Item | Standard | PE patch | PP patch |
| Tensile strength | ASTMD 638 | 18 MPa | 32 MPa |
| Elongation | ASTM D 638 | 400% | 600% |
| Hardness, Shore D | ASTM D 2240 | 55 | 56 |
| Dielectric strength at 23°C | ASTMD 149 | 30KV/mm | 30KV/mm |
| Lap shear | ISO 21809 |
0.22N/mm2 @50°C 0.12N/mm2@80°C 0.10N/mm2 @60°C |
5.2N/mm2@80°C 0.35N/mm2 @6110°C |
| Soft point | ASTM E28 | 105°C | 140°C |