3255 Modified Diphenyl Ether Glassfiber Laminated Sheet

Short Description:

  • Thickness: 0.3mm-80mm
  • Dimension: 970*1970mm, 970*1200mm
  • Color: Dark Brown
  • Customization: Processing based on Drawings
  • Product Detail

    Product Tags

    Product Description

    This product is a laminated product which made with the chemical treatment electrical purposed alkali-free glass cloth as the backing material,by hot pressing with modified diphenyl ether resin as binder.It has high mechanical strength under high temeprature,good dielectric stability under high humidity.Good radiation resistanceit ,suitable for class H motor,electrical equipment as the insulation structure parts.


    1.High mechanical strength under high temperature;
    2.Good electrical stability under high moisture;
    3.High heat resistance;
    4.High moisture resistance;
    5.Good machinability;
    6.Good radiation resistance
    7.Temperature resistance:Grade H

    Compliance With Standards

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

    Appareance: 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 class H motor,electrical equipment as the insulation structure parts.

    Main Performance Index

    1 Density g/cm³ 1.8-2.0
    2 Water absorption Rate % ≤0.5
    3 Vertical bending strength Normal MPa ≥340
    180±5℃ ≥170
    4 Compression strength Vertical MPa ≥350
    5 Impact strength (charpy type) gap KJ/m² ≥33
    6 Bonding strength N ≥5700
    7 Tensile strength Lengthway MPa ≥300
    8 Vertical electric strength
    (in oil of 90℃±2℃)
    1mm KV/mm ≥20.0
    2mm ≥18.0
    3mm ≥16.0
    9 Parallel breakdown voltage(1 min in oil of 90℃±2℃) KV ≥30
    10 Dielectric dissiption factor(50Hz) - ≤0.04
    11 Parallel Insulation Resistance Normal ≥1.0×1013
    After soaking  for 24hours ≥1.0×1010
    12 Volumn Insulation Resistance Normal Ω.m ≥1.0×1011
    After soaking  for 24hours ≥1.0×109
    180±5℃ ≥1.0×108

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