Supporting UK Composites

Scott and Fyfe Offer High Mechanical Properties with Polymat FR

Launched at the JEC World 2016 show, Scott & Fyfe says that Polymat FR is an innovative 3D reinforcement textile developed specifically for high performance composite applications where strength, weight reduction and fire performance are critical parameters – for example, in the transportation, construction and marine sectors.

Intended for closed moulding processes including RTM & L-RTM, the company says it’s uniquely designed core is composed from glass yarns knitted with an architecture that allows for fast resin flow even when combined with highly filled resin systems, leading to improved productivity, reduced rework and an ability to satisfy the highest levels of fire retardancy for composite parts, such as EN45545-2 for the rail industry (up to level HL3).

In addition to the aforementioned benefits, the products novel knitted glass core also provides a significant contribution to the mechanical properties of the laminate versus similar ‘flow mat’ type products that utilise a polypropylene fibre core. Following structural tests completed on test panels produced under identical conditions, the following results were observed:

  • Flexural Strength increased from 180 MPa to 218 MPa, offering a significant 21% improvement.
  • Tensile Strength increased from 56 MPa to 86 MPa, offering a massive 54% increase.

Michael Harrison, Business Director, Scott & Fyfe said; “Polymat FR offers engineers and designers a more technologically advanced solution to the challenge of creating strong, lightweight structures in GRP that still comply with the various fire and regulatory requirements. Thanks to its novel glass core, it may be possible to reduce laminate thickness, and thereby weight, whilst achieving comparable mechanical strength properties – particularly attractive benefits to the mass transit sectors”.

Website: www.scott-fyfe.com

 

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