Natural color NEMA G5 Melamine glass cloth laminate suitable for arc resistant material in switches

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Customized service
We professional in develop and manufacture various kinds of epoxy fiberglass laminated insulating sheets over 20years. Our products are confirmed and used by many famous company in our industry, and we have got very good reputation.The performance, color and finish of the sheet can be adjusted according to the customer's product application,and we can offer CNC machining service

  • Thickness: : 0.3mm-80mm
  • Dimension:: 1020*1220mm 1020*2020mm 1220*2040mm
  • Color:: brown,Natural color
  • Customization: : Processing based on Drawings
  • Product Detail

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    Product Description

    This product is a laminated sheet which is made of eletrical alkali free glass cloth impregnated with melamine resin by hot pressing.It has good arc resistance and certain dielectric properties and flame retardant properties. It can be used as arc resistance materials in switches, structural parts of electrical equipment and isolation materials for electrical equipment


    1.Good electrical stability under high humidity;
    2.High mechanical strength under high temperature;
    3.Moisture resistance;
    4.Heat resistance;
    5.Temperature resistance:Grade F

    Compliance with standards:

    In accordance with GB/T 1303.4-2009 electrical thermosetting resin industrial hard laminates - Part 4: epoxy resin hard laminates.

    Appearance: the surface should be flat, free of bubbles, pits and wrinkles, but other defects that do not affect the use are allowed, such as: scratches, indentation, stains and a few spots.The edge shall be cut neatly, and the end face shall not be delaminated and cracked.


    Suitable for all kinds of motor, electric appliances,electronic and other fields.

    Main Performance Index

    1 Density g/cm³ 1.8-2.0
    2 Water absorption Rate % ≤3.0
    3 Vertical bending strength MPa ≥200
    4 Parallel impact strength (charpy type-gap) KJ/m² ≥25
    5 Vertical electric strength
    (in oil of 90℃±2℃)
    1mm KV/mm ≥7.0
    2mm ≥5.4
    3mm ≥5.0
    6 Parallel breakdown voltage(in oil of 90℃±2℃) KV ≥15
    7 Insulation Resistance Normal ≥1.0×1010
    After soaking  for 24hours ≥1.0×108
    8 Combustibility Level V-0

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