Thermoplastic Tapes

Thermoplastic Tapes

Evopreg® PA is a range of thermoplastic tapes suitable for automated tape laying, winding and compression moulding

Evopreg® PA is a range of thermoplastic tape manufactured from polyamide-6 (PA6) polymer with unidirectional carbon fibre and is suitable for automated tape laying, winding and compression moulding into high-performance, lightweight components.

Thermoplastic tapes can provide outstanding mechanical performance, clean manufacturing processes, low waste and the potential for easier recyclability at end-of-life.

Much like traditional thermosets, there are also multiple processing routes available; however, processed parts can be subsequently post-formed to create more complex shapes.

Additionally, thermoplastic tapes can be stored almost indefinitely, compared to the limited shelf-life of pre-impregnated thermoset tapes.

Advantages:

  • Processing speed
  • High automation levels possible
  • Flexible, multi-stage processing is possible – excellent for hybrid structures, inserts and overmoulding
  • Excellent impact resistance
  • More controlled – no chemical reactions or storage issues
  • Improved recycling possibilities

Applications:

  • Flexible pipes – oil & gas and water transport
  • Pressure vessels  – hydrogen storage tanks, compressed natural gas (CNG) tanks
  • Selective reinforcement of components – metal structures, etc

Manufacturing processes:

  • Winding
  • Compression moulding – laid preforms and chopped tapes
  • Automated fibre placement (AFP)
  • Automated tape laying (ATL)

Properties

Evopreg® PA exhibits a high strength-to-weight ratio and is well suited to a variety of applications where strength and toughness are required.

Specifications

Description Polyamide-6 (nylon-6) reinforced with continuous (unidirectional) carbon fibres
Fibre content 30 – 50% by volume
Thickness 0.15 – 0.25 mm
Width 6.25 – 235 mm
Length Up to 1 km

Interest in fibre-reinforced unidirectional thermoplastic tape has advanced significantly in recent years due to the advantages they could offer in a variety of current and emerging applications.

Composites Evolution has extensive experience in the development and production of unidirectional thermoplastic tapes and the benefits they offer in a range of sectors.

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