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    Rigid Laminate Sheets

    Nema G7 Silicone Glass Laminate
    High-Temperature Electrical Insulation for Arc Resistance & Humid Conditions

    • Temperature Rating: Continuous operation up to 220°C
    • Sheet Size: 950 mm x 950 mm
    • Thicknesses Available: Standard thicknesses between 3.2mm - 16mm. Other thicknesses are a special order and longer lead times apply
    • Supply Format: Available as full sheets, cut panels, or CNC machined parts to your drawings

    Nema G7 Silicone Glass Laminate is a silicone resin bonded glass cloth laminate developed for high-temperature electrical insulation applications. It offers strong dielectric performance, excellent heat and arc resistance, and reliable electrical properties under humid operating conditions.

    With a continuous operating temperature of up to 220°C, Nema G7 is well suited to demanding electrical environments where thermal stability is critical. It is commonly used for switchgear insulation, transformer components, arc barriers, insulators, and heating or appliance insulation parts.

    Key Benefits

    • Continuous operation up to 220°C
    • Excellent heat and arc resistance
    • Good electrical properties under humid conditions
    • Strong dielectric performance for high-temperature applications
    • Suitable for fabricated sheet components and CNC machined parts

    Looking for an alternative rigid insulation sheet for different thermal or mechanical requirements? Consider Cogetherm Mica for ultra-high temperature resistance, or G10 Epoxy Laminate for a rigid laminate with strong mechanical performance in lower temperature environments.

    G7 Silicone Glass Laminate is available as sheet stock or as CNC machined parts to suit your application.

    Compare Nema G7 Silicone Glass with related laminates below or view the full selection guide .
    Not sure what laminate your project requires? Get a recommendation →

    COMPARE NEMA G7 WITH OTHER HIGH TEMPERATURE ELECTRICAL LAMINATES
    High temperature electrical laminates
    Compare electrical laminates used where standard epoxy materials are no longer suitable due to elevated operating temperatures.
    Material Temp Rating Primary Role Strengths Typical Applications
    NEMA G7 Silicone Glass 220°C High-temperature electrical insulation Stable insulation performance at elevated heat Hot electrical systems, high-temperature insulation components
    FR4 / G11 Epoxy 180°C Higher-temperature electrical insulation Strong dielectric performance and thermal stability Motors, transformers, switchboards
    Not sure if Nema G7 is the right laminate?
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