3240 Epoxy Glass Cloth Laminated Sheet

3240 Sheet(Epoxy Sheet) is a kind of laminated board formed through heat pressing after the electric industry fiolax cloth dips into epoxy resin.

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3240 Epoxy Glass Cloth Laminated Sheet

It is suitable as the mechanical, electric and electronic insulation structural components which are used under room and middle temperatures with a certain mechanical performance and electric performance requirement.

Key Features and Benefits

  • 3240 sheet(epoxy sheet) is made of E-glass cloth impregnated with epoxy phenolic resin by processing under heat and pressure.
  • 3240 sheet (epoxy sheet, glass cloth sheet) having high mechanical and dielectric properties, fine heat and humidity resistance.
  • 3240 sheet (epoxy sheet,glass cloth sheet) used in electrical machine and devices as insulating construction parts in moist cirecumstances and in transformer oil.

Appearance

The board material should be flat and smooth, no bubble, no wrinkle, no crackle, free from other defect, such as scrape, compress, dirt spot and uneven of color, allow a few of color spots.

Specifications

ThicknessColorSize
0.5-100mmYellow
1000×2000
980×1980
ItemUnitValue (A/B)
Densityg/cm31.90~2.30
Martens heat resistance(LW)≥0C200
Flexural strength ≥MPa400/200
Tensile strength  ≥MPa350/250
Bonding ≥N5680
Impact strength ≥KJ/M2150/100
Surface resistivity ≥Ω1×1013/1×1011
Volume resistivity ≥Ω.cm1×1013/1×1011
Insulation resistance parallel to lamination ≥Ω1×1010/1×108
Loss tangent, 50Hz ≤0.05
Transformer oil at 90±20 C   ≥KV/mm22/20
Transformer oil at 90±20 C   ≥KV30

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