Thermoplastic composite tubes

Continuous Fiber Reinforced Thermoplastic tubes (also called CFR TP tubes) are composite tubes made from thermoplastic material with endless fibers. The continuous fiber offers maximum strength and stiffness as the fibers provide strength to the full diameter and length of the tubes. For engineers it means access to material that offers high specific strength and specific modulus to upgrade their produc design.

Find out what the options are to build lightweight, strong and stiff products with CFR thermoplastic tubes! 

The thermoplastic resin and the fibers can be selected many practical combinations. The most common fibers typically selected are:

Tubes reinforced with carbon fiber Tubes reinforced with glass fiber

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Thermoplastic composite (CFR TP) tubes at Alformet

Reinforcement of tubes

Reinforcement of metal or polymer tubes is an excellent solution to reinforce a structure and maintain specific characteristics of the original tube. Examples are the reinforcement of metal in a hydraulic cylinder where the tribological characteristics of metal are combined with the strength/stiffness of the CFR Thermoplastic layers on the exterior of the metal liner.

Modern oil and gas pipes are made from thermoplastic liners reinforced with CFR thermoplastic material, creating a perfect bond with the liner and adding strength and durability to the product to increase safety and achieve low-maintenance (see picture at the right).

reinforced thermoplastic pipe

Reinforced oil pipe (© Magma Global)


Overmolding is a technology to encapsulate a CFR thermoplastic tube with a thermoplastic material using injection molding, to optimize the application of lightweight material while combining with a connection.