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Transformer Insulating parts > Resin impregnated glass fiber mesh

Resin impregnated glass fiber mesh

Resin impregnated glass fiber mesh

Application: Cast resin dry-type transformers, reactor, instrument transformes.

 

No.

Test Item

Unit

Specification

1

Average Thickness

Mm

2.40/5x4

2.00/5x4

1.60/5x4

1.20/5x4

1.00/5x4

0.80/5x4

0.60/5x4

0.40/5x4

2.2/10x7

2

Nominal Dimension of Holes

Mm

2.4±10%

2.0±10%

1.6±10%

1.2±10%

1.0±10%

0.8±10%

0.6±10%

0.4±10%

2.2±10%

3

Average Gravity

g/m²

1500±100

1100±100

800±100

600±50

430±50

300±50

250±50

125±50

1000±100

4

Approximate Density

g/ m3

0.61

0.49

0.53

0.48

0.43

0.35

0.45

0.30

0.46

5

Tensile collocated

Warp

%

25

33

23

38

50

40

38

38

33

weft

75

67

77

62

50

60

62

62

67

6

Resin content

%

14-16

14-16

16-20

18-22

18-22

18-22

18-22

20-30

14-16

7

Standard width

Mm

1000±10mm  1200±10mm or as required

8

Standard length

Mm

50±0.5

50±0.5

50±0.5

80±0.5

80±0.5

100±0.5

100±0.5

100±0.5

50±0.5

9

East Curvature radius

Mm

250

250

200

200

200

150

150

120

250

10

Surface insulation resistance

Ω

≥1x1013

11

Surface impact voltage

Kv

≥18

12

Water absorption

%

≤5

13

Bending strength

N

≥50

≥40

≥30

≥30

≥20

≥20

≥20

≥15

≥50

14

Tensile strength

N

≥5600

≥3500

≥2500

≥2000

≥1500

≥1000

≥800

≥150

≥5300

15

Temperature class

F ClASS and H CLASS