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TCP Concept and Materials

The Thermoplastic Composite Pipe (TCP) concept excels in simplicity. The solid wall consists of an inner liner, thermoplastic composite reinforcement layers and a protective outer coating. Optionally a weight coating can be applied to ensure on-bottom stability. All layers, including the outer coating, are melt-fused together ensuring a bond between the layers that is as strong and durable as the base materials. The TCP is terminated by the end-fitting that effectively engages on the outer coating; the pipe can be terminated at any point of the pipe, onshore and offshore, in a matter of hours.

We design the TCP, and select the materials based on the specific requirements of each project, ensuring that a fit-for-purpose and cost effective solution is offered – every single time. Being material independent, we only use ductile, flexible polymers that do not suffer from micro-cracking, can be bonded onto the pipe as coating as well and that enable a small bending radius of the pipe during installation and operation. An overview of materials used is shown below.

Cost effective materials, optimized for each application

  • Glass – HDPE:
  • Fully qualified to 60 Degrees C, option to 65 Degrees C (150 F)
  • Track record in permanent application
  • Medium pressure (5 ksi)
  • Low permeation
  • High chemical resistance

Fully qualified and track record

glass-hdpe
  • Carbon – PA12:
  • Up to 80 Degrees C (180 F)
  • Qualified for Shell
  • High pressure (10 ksi)
  • Low permeation
  • First client track record 2017
  • DNV qualification complete end 2018

2017 Commercially available

carbon-pa12
  • Carbon – PVDF:
  • Highest temperature up to 121 Degrees C (250 F)
  • High pressure (15 ksi)
  • Lowest permeation
  • Highest chemical resistance
  • DNV qualification complete 1H 2019

2018 Pilot potential

carbon-pvdf