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3641 Epoxy fiberglass cloth laminated tube

3641 Epoxy fiberglass cloth laminated tube

Product Details

Item

units

values

 

 

 

 

 

 

 

 

3520

3640

3641

380

382

364

355

356

3652

 

 

Density

g/cm
3

Less thanΦ25mm, ≥1.03.
More thanΦ25mm, ≥1.1

Less thanΦ13mm, ≥1.65.
More thanΦ13mm, ≥1.7

Less thanΦ13mm, ≥1.65.
More thanΦ13mm, ≥1.7

≥1.25

----

≥1.40

≥1.5

≥1.5

≥1.5

Bending strenth

MPa

≥50-60

≥17

----

≥137

≥400

≥117.6

----

≥150

>80

Compressive strength

MPa

≥50-60

≥68

≥138

≥118

≥98

≥68.6

≥80

≥70

≥70

Shear strength

MPa

----

----

≥14.7

----

----

≥9.8

≥8.0

≥12

≥10

Water absorption rate

%

3-10

----

0.4-1.0

≤1.2

----

----

----

----

----

Vertical layer direction voltage resistance(in 90℃±2℃ transformer oil 5min)

KV

8.5~6

7~18

----

----

----

7~18

----

----

----

Parallel layer direction voltage resistance (in 90℃±2℃ transformer oil 5min)

KV

20~25

25

----

----

≥25
Normal state

----

30

----

25

Surface voltage resistance

KV

12

12

----

----

----

----

----

----

----

Dielectric loss factor (50Hz,180℃±2℃)

 

≤0.03

≤0.03

 

 

 

 

 

 

≤0.03

Volume resistivity 180℃

MΩ.m

----

----

----

----

----

≥10
5

----

≥10
5

----

Thermal stability

120(24h)

----

----

105(24h)

----

----

----

----

----

1. Material: epoxy resin, curing agent, non-alkali glass cloth, heat resistance level: B class.
2. Funcation:
High mechanical properties, electrical properties and heat resistance performance.
3. Standard: JB/T 8150-1999
4. Usage:
Used as insulating structural parts of high voltage electrical apparatus.

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