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3240
Custom 3240 Machined Parts:

JY machinery is the professional manufacturer of electrical insulating parts in 3240 epoxy fiberglass laminates.Precision further processing and stability guarantee of material have made us became the solver of electric insulation technology project.
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Characteristics:3240 epoxy glass fabric laminated sheets is made of alkali-free E-glass cloth impregnated with epoxy resin by processing under heat and pressure.which have extremely high mechanical strength,insulation,heat resistance,electrical properties and good moisture resistance properties.

Performance requirement:

NO

Item

Unit

Index Value

1

Vertical bending strength

MPa

≥340

2

Parallel impact strength

(simply-supported beam method)

KJ/

≥33

3

Parallel impact strength

(cantilever beam method)

kJ/

≥34

4

Vertical electric strength

(in oil of 90℃±2℃,1mm)

MV/m

≥14.2

5

Parallel breakdown voltage

(in oil of 90℃±2℃)

kV

≥35


Dielectric constant

(below 48Hz-62Hz)

-

≤5.5

7

Dielectric constant

(below 1MHz)

-

≤5.5

8

Thermostability

150

9

Oil resistivity in transformer oil 4h

130

10

Tensile strength lengthways

horizontal

MPa

≥314

≥216

11

Adhesive strength

N

≥5600

12

Dielectric dissipation factor

(below 48Hz-62Hz )

-

≤0.04

13

Dielectric dissipation factor

(below 1MHz )

-

≤0.04

14

Density

g/ cm3

(1.8-2)



Thickness:0.1-100mm
Standard Sheet Sizes:1020*1220mm 1000*2000mm 1220*2440mm
Color:Yellow(other colors can be customized)
Applications:Ideal for a wide variety of product applications, like in generator, motor and other electrical equipments as insulation structural parts.

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