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epoxy Glass Fabric Laminated sheet
epoxy Glass Fabric Laminated sheet
Supplier Info
[China Supplier]
Contact Person : Ms. Jia Yihong
Tel : 86-29-84225270
Fax : 86-29-84225270
Product Detail
348 Class F epoxy Glass Fabric Laminated sheet: Temperature classification is F. Excellent electrical and mechanical properties.

Characteristics and applicationTemperature classification is F. Excellent electrical and mechanical properties, especially voltage resistance and retaining rate of mechanical strength at high temperature. Used as slot, wedge and insulating structural parts for Class F electrical machine, pulling motors and transmission and distribution equipment.

StandardQ/XB3132-2007, Equivalent to NEMAG-11 and IECEPGC203

Table 2Technical requirements

No.

Properties

Unit

Normal Value

1

Flexural strength perpendicular to layer

At room temperature

MPa

≥360 (lengthwise)

≥34 (crosswise)

150±2

≥190 (lengthwise)

2

Compressive strength, perpendicular to layer

MPa

≥350

3

Impact strength parallel to layer (Charpy method)

kJ/m2

≥37 (lengthwise)

≥37 (crosswise)

4

Dielectric constant

Under 48Hz∼62Hz

 

-

under1Hz

 

≤5.5

5

Dissipation factor

Under 48Hz∼62 Hz

 

-

Under 1MHz.

 

≤0.04

6

Insulation resistance after immersing in water.

W

≥200

7

Density

g/cm3

1.7∼2.0

8

Water absorption

%

Refer to table 3

9

Voltage resistance parallel to layer(at 90±2 oil for 1min

kV

≥45

10

Insulation resistance parallel to the layer .

At room temperature

MW

≥1.0×106

Immersing in water for 24h

≥5.0×104

       

Table 3Water absorption

Mean thickness

 mm

Normal Value

mg

 

Mean thickness

mm

Normal Value

mg

 

0.4

≤16

5

≤24

0.5

≤16

6

≤26

0.6

≤16

8

≤30

0.8

≤17

10

≤33

1.0

≤17

12

≤37

1.2

≤17

14

≤40

1.6

≤18

16

≤44

2.0

≤19

20

≤51

2.5

≤20

25

≤60

3

≤21

Processed by one side to 22.5

≤72

4

≤22

 

 

 

 

epoxy Glass Fabric Laminated sheet

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