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HomePipe Coating Solutions Products Factory Grade PE Repair Products

Factory Grade PE Repair Products

Polyethylene-based coating repair products for corrosion protection

Canusa’s Factory Grade PE Repair Products for factory-applied 3LPE coating provide excellent adhesion and shear resistance at high pipeline operating temperatures.

The polyethylene repair patch has been uniquely designed to be fully compatible with the polyethylene pipeline coating. The melt stick is also made from polyethylene for maximum compatibility. These aspects ensure compatibility throughout the range of Canusa products offered.

Coating Repair Patch (CRP-PE)

  • Consists of an irradiated, cross-linked polyolefin sheet coated with a heat-activated adhesive, designed specifically for sealing and protection of damaged pipeline coatings up to 150mm x 150mm in size
  • Fast installation with no special tools required, providing a barrier to moisture and corrosion with resistance to abrasion and shear forces during pipeline installation and while in-service

Melt Sticks (MS)

  • Melt Sticks are heat-activated adhesives supplied as a rod for ease of application and are ideal for small coating repairs ranging from superficial damage to holidays and cracks up to 10mm x 10mm

Liquid Epoxy

  • Acts as an initial corrosion protection layer for major repairs when the damaged area extends to the steel surface
  • Unique force cure technology ensures consistent thickness prior to installation of the adhesive filler material and repair patch. Polyethylene-based coating repair products for corrosion protection

Product Properties

Patch Operating Characteristics CRP-PE
CRP-PE Pipeline Operating Temp. Up to 100°C (212°F)*
Minimum Installation Temp. 125°C (257°F)**
Mainline Coating Compatibility 3LPE, FBE
Adhesive Properties Test Method
Softening Point ASTM E28 > 150°C
Lap Shear@ 23°C EN 12068 > 450 N/cm2
Backing Properties
Tensile Strength ISO 527 22 MPa
Elongation ISO 527 600%
Hardness ISO 868 55 Shore D
Volume Resistivity ASTM D257 1017 ohm-cm
Patch Properties
Adhesion Strength @ 23°C ISO 21809-1 > 120 N/cm
Impact Resistance ISO 21809-1 7 J/mm
Indentation Resistance @ 80°C DIN 30670 0.4 mm
Cathodic Disbondment @ 23°C, 28 days ISO 21809-1 < 3 mm
Melt Stick Properties Test Method Typical Values
Softening Point ASTM E28 124°C
Lap Shear @ 23°C EN 12068 > 300 N/cm2

Applications / Assets

  • Gas Pipelines
  • Oil Pipelines
  • Repair and Rehab
  • Waterworks Pipelines


Last Updated: 12/18/2017 3:42:59 PM
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