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Insulation Dog Bone For Transformer

Insulation Dog Bone For Transformer

Product Details

Standard: JB/T 10943-2010

830

850

Base Material

Glass Fiber Yarn

Resin

Unsaturated Polyester

Epoxy

Color

White

Green

No.

Properties

Unit

Index

1

Density

g/cm2

1.8-2.0

1.9-2.1

2

Water Absorption

%

≤0.5

≤0.5

3

Barcol Hardness

-

≥50

≥65

4

Tensile Strength 
(parallel fiber direction)

MPa

≥100

≥500

5

Tensile Modulus 
(parallel fiber direction)

MPa

≥1.0*104

≥1.0*104

6

Bending Strength (vertical Fiber direction)

23±2℃

MPa

≥150

≥340

7

 

130℃

MPa

≥70

≥180

8

Bending Modulus 
(vertical fiber direction)

 

MPa

≥0.6*104

≥0.6*104

9

Compressive Strength

Parallel Fiber Direction

MPa

≥250

≥380

10

 

Vertical Fiber Direction

 

≥150

≥180

11

Shear Strength

 

MPa

≥70

≥70

12

Insulation Resistance

 

Ω

≥1.0*1012

≥1.0*1012

13

Surface Resistivity

 

Ω

≥1.0*1011

≥1.0*1011

14

Breakdown Voltage 
in the Fiber Direction 
(in the air)

 

KV

≥45

≥50

15

Arc Resistance

 

s

≥182

≥300

16

Flammability

 

-

FV0

FV0

 Epoxy/Polyester Resin Pultruded Profile
This product is made of non-alkali glass fiber yarn impregnated with unsaturated polyester resin by the traction force and finally pultruded and solidified in hot mold. It is mainly used as insulation components of electrical equipment. The product can be rectangular, I-shaped, angular, T-shaped, groove-shaped, tubular and cylindrical, etc.

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