Canusa-CPS repair products for polypropylene coated pipelines provide excellent adhesion and shear resistance at high pipeline operating temperatures. The polypropylene repair patch has been uniquely designed to be fully compatible with the polypropylene pipe line coating. The Adhesive Filler is also made from polypropylene for maximum compatibility. These aspects ensure compatibility throughout the range of Canusa products offered.
All of Canusa's Pipeline Repair Products offer flexibility of installation, exhibit excellent adhesion to steel and are compatible with common pipeline coatings. These products also remain permanently flexible and provide superior resistance to moisture infiltration, resulting in a sound corrosion protection layer.
1. The Coating Repair Patch (CRP
The Canusa Coating Repair Patch consists of an irradiated, cross-linked polyolefin sheet coated with a heat-activated adhesive. It is designed specifically for sealing and protection of damaged pipeline coatings up to 150 mm x 150 mm in size. The patch can be installed quickly with no special tools required. The installed patch provides a barrier to moisture and corrosion and is resistant to abrasion and shear forces during pipeline installation and while in-service. Note: A new sleeve is recommended for damage greater than 150 mm x 150 mm.
- No special tools or equipment required
- Excellent abrasion resistance
- Inert to common acids, alkalis and solvents
- Barrier to moisture & corrosion
2. Melt Sticks (MS)
Canusa Melt Sticks are heat-activated adhesives supplied as a rod for ease of application. They are ideal for small coating repairs ranging from superficial damage to holidays and cracks up to 10 mm x 10 mm. Melt sticks may also be used as a filler material below Coating Repair Patches.
- Excellent adhesion
- Solvent free
- No mixing or measuring
- Flows into hard-to-reach locations
- Quick setting
- Excellent moisture resistance
3. Mastic Filler (MF)
Canusa Mastic Filler is used to fill larger voids and deep crevices in damaged coatings prior to the application of Canusa Repair Patches.
- Excellent adhesion to PVC, PE, FBE, and steel
- Remains flexible. Fills surface irregularities
- Excellent water resistance