SEALXPERT POLY OUTER WRAP 955
SEALXPERT POLY OUTER WRAP 955
FEATURES
- Worldwide reference lists
- Uniform coating thickness
- Resistant to soil stress
- Impermeable to oxygen and moisture
- Low cathodic protection-current requirements
- Compatible with all pipe diameters and generic plant coatings systems
- Max operating temperature: 85 °C (185 °F)
APPLICATION
- Corrosion protection of steel pipelines
- It achieves a complete bond to the #980 inner layer, providing maximum handling and in-service protection for the coating system
- Can also be used for ductile iron pipes
TECHNICAL DATA
Model | 955-20 | 955-25 |
Backing colour | White | White |
Thickness | 0.5 mm | 0.63 mm |
Backing | 15 mils (0.381 mm) | 20 mils (0.508 mm) |
Adhesive | 5 mils (0.127 mm) | 5 mils (0.127 mm) |
Tensile strength | 70 N/cm | 70 N/cm |
Elongation | 450 % | 400 % |
Peel adhesion to primed steel | 33 N/cm | 33 N/cm |
Cathodic disbondment | 0.24 in. radius (6.4 mm) | 0.25 in. radius (6.4 mm) |
Water vapor transmission rate | 0.5 g/m²/24 hr | 0.5 g/m²/24 hr |
Dielectric breakdown | 26 kV/mm | 25.6 kV/mm |
Dielectric strength | 23-26 kV | 20-23 kV |
SEALXPERT POLYETHYLENE TAPE APPLICATION PROCEDURE
- Coating the pipe surface with SealXpert Primer.
- Apply SealXpert Poly Inner Wrap 980. Start at the 9 o’ clock position. Ensure that the adhesive side of tape is to the substrate.
- Starting a new roll of tape. Overlap ends of tape by one tape width. Overlapping each turn by 55% gives a double thickness.
- Use SealXpert Poly Outer Wrap as the final wrapping tape
Note:
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