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    Laid Scrims for prepregs in lightweight constructions

    Prepregs are preimpregnated reinforcement fibres. As components of flexible lightweight construction products they increase their mechanical tensile or bending loadability, security and durability. For a permanently high strain of materials they have many advantages towards stiff constructions.

    With their material characteristics these fibre-reinforced plastics are often more cost-effective than qualitatively inferior materials of technical textiles.

    BAFATEX® supplies prepreg manufacturers with BAFA®-laid scrims, featuring high mechanical load capacity, minimum weight, epoxy resin friendly or capable of hot sealing. For optimised fixation of rovings made of carbon or glass fibres that are processed to prepregs which are outstandingly cuttable and punchable.

    We supply medium up to high amounts, individually customised at your specifications of material and measures.

    Versatile Applicability

    Prepreg manufacturers utilise BAFA® laid scrims first of all where strains are extraordinarily high and flexible materials are indispensable:

    • Aircrafts (especially wings, fuselage and propellers)
    • Helicopters (especially rotor blades)
    • Rotor blades of wind turbines
    • High performance sailing yachts
    • Seat shells (left image: aircraft seats)
    • Bulletproof vests
    • Motor sports
    • Spacecrafts
    • Orthesis für orthopaedic support
    • Prostheses
    • Sports equipment (ski, snowboard, kiteboard, table tennis rackets)

    Materials

    Depending on which characteristics your product demands, we offer you yarns made of the following materials:

    • Carbon fibre
    • Fibreglass
    • Polyester fibres
    • Polyamide fibres
    • Aramid fibres

    BAFA® laid scrims are capable of hot sealing and epoxy resin friendly. A flame retardant impregnation is available as well.

    Processing Within Your Prepregs

    BAFA® laid scrims are highly suitable for automated production processes with a high processing speed in „Automated Fibre Placement” (AFP) systems or „Automated Tage Layers“ (ATL). Their excellent cuttability and punchability provides a high build quality.

    An impregnation with phenol-, vinyl ester- or epoxy-reaction resins is possible – dependent on the material at temperatures up to 180°C and a pressure of up to 5 bar. With the application of sealable pressure vessels (autoclaves) it is possible to cure high-temperature materials free of air bubbles just at the location of its final processings.

    The degree of the surface stickiness (tack) of the scrims can be controlled by your manufacturing process. The storage life of the laid scrims will not be limited before they become impregnated with the catalyst / curing agent.

    We will deliver you the laid scrims in coiled widths – on request just-in-time.

    Know How and Consulting

    As a matter of course we are certified by DIN ISO 9002 (since 1994) to assure a uniform and high quality of our products.

    Based on our technical expertise and our experience of decades we would be pleased to consult you about the range of characteristics and processsing technologies of our scrims.

    Technical Literature about Prepregs

    As technical literature for engineers we recommend:

    “Composite Technology: Prepregs and Monolithic Part Fabrication Technologies” by Hauke Lengsfeld, Felipe Wolff-Fabris, Johannes Kraemer, Javier Lacalle and Volker Altstaedt, published by the Carl Hanser elibrary. You can find the list of contents and extracts here.

    “Composite Materials: Processing and technology: Advancements in Prepreg processing & technology” by Muhammad M. Ali Rafique, published by Lambert Academic Publishing.

    Source of header image, wing of Airbus A380: Creative Commons

    product consultant

    Lightweight construction

    • UD-scrims
    • Composites / prepregs
    • Aerospace
    • Automobile
    • Seat back trims
    • Wind energy /
      wind turb

    Contact

    BAFATEX Bellingroth GmbH & Co. KG
    Leiersmühle 19
    51688 Wipperfuerth / Germany

    Phone: +49 (0) 22 67 87 13-0
    Fax: +49 (0) 22 67 87 13-10
    Email: info@bafatex.de

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