3240 Epoxy Phenolic Glass Cloth Laminated Sheet

Grade:
3240 Epoxy Phenolic Glass Cloth Laminated

Thickness:
0.5mm to 50mm

Size:
Standard sheet size is 2470mm x 1220mm

Description:
This product exhibits high mechanical and dielectrical properties. It can be used as insulating construction parts in electrical machines and apparatus. It can also be used in a humid environment and in transformer oil

Item Value
Specific gravity g/cm³ 1.70~1.90
Class of material to IEC-publ 85 class “F” ºC 155
Flexural strength min Lengthwise Mpa 343.2
Crosswise Mpa 284.4
Tensile strength min Lengthwise Mpa 294.2
Crosswise Mpa 215.6
Impact strength min Crosswise

Lengthwise

KJ/m² 147.1

KJ/m² 98.1

Surface strength min Under normal condition

After immersion in water

Ohms Ω 1 x 1013

Ω 1 x 1011

Volume resistivity min Under normal condition

After immersion in water

Ohms cm Ω cm 1 x 1013

Ω cm 1 x 1011

Insulation resistance parallel
to laminationMin
Under normal condition

After immersion in water

Ohms Ω 1 x 1010

Ω 1 x 108

Dielectric loss Max 50Hz Kv/mm 0.05
Breakdown strength

Perpendicular to laminations

(at 90 ± 2ºC in transformer oil)

min

Thickness 0.5~1mm Kv/mm 22.0
Thickness 0.5~1mm Kv/mm 20.0
Thickness 0.5~1mm Kv/mm 18.0
Sheet with thickness more than 3mm shall be machined up to 3mm from one side Kv/mm 18.0
Breakdown voltage parallel to laminations
(at 90 ± 2ºC in transformer oil)
min Kv 30.0

The information in this data sheets gives general characteristics of the material. Whilst all possible care has been taken to ensure this information is correct the manufacturer cannot accept any liability nor is any liability on the part of the manufacturer or supplier to be implied as a result of the data given as conditions and methods of use are beyond our control. The user must confirm suitability for the application prior to commercial use.

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