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    polyester film electrical insulation roll class b 130c mylar with white finish on plain background

    Flexible Insulation Laminates

    Polyester Film Insulation
    Mylar® Electrical Film – Class B (130°C)

    Our clear and opaque Mylar® polyester films offer reliable electrical insulation performance for Class B (130°C) environments. Widely used in motor rewinding, transformers, and general electrical maintenance, this material provides excellent dielectric strength and mechanical resilience.

    Key Features:

    • Flexible and Tear-Resistant: Conforms easily to tight windings
    • Excellent Dielectric Properties: Ideal for use in low- to medium-voltage systems
    • Chemical & Moisture Resistant: Performs well in a range of industrial environments
    • Sold by weight (kg): Each roll is 1 metre wide. Sold by weight (kg). Roll length varies by film thickness — see table below for reference.
    • Available Thicknesses (in microns): 50, 75, 100, 125, 190, 250, 350

    Common Applications:

    • Slot liners, phase insulation, and coil barriers in motor repair
    • Transformers and electrical control gear
    • Component wrapping and electrical/electronic protection

    Industries Served:

    • Motor rewinders and electrical repair workshops
    • Transformer manufacturers and OEM equipment builders

    Availability:

    • Supplied in rolls or cut sheets
    • Custom widths available on request

    Polyester film is part of our flexible insulation laminate range. For a full insulation system, consider combining it with high-temp sleeving or electrical varnishes.

    ▼  Each roll is 1 metre wide and sold by weight (kg). Approximate roll length varies with film thickness — see table below for guidance.

    Approximate Roll Length per Kilogram

    (All rolls are 1 metre wide)

    ADVANCED THERMAL SUPPLIES PTY LTD
    📍 30 Pope St, Beverley SA 5009
    📞 08 8244 4411
    ✉️ info@advancedthermalsupplies.com.au
    🕒 Monday – Friday: 8:30 AM – 5:00 PM
    Note: We occasionally close at 4:00 PM on Thursdays.
    Please call ahead if you're visiting late in the day.
    Australia map with ATS distribution
    We Supply Australia Wide
    Film Thickness (µm) Approx. Length per kg (m)
    50 ≈ 15 m
    75 ≈ 10 m
    100 ≈ 7 m
    125 ≈ 6 m
    190 ≈ 4 m
    250 ≈ 3 m
    350 ≈ 2 m