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Fiberglass Tube

Fiberglass Tube
1.Material: fiberglass and epoxy resin
2.Process: winding
3.Diameter: from 10mm----1000mm
4.Length: from 10mm----10000mm
5.Color: Nature or any color
Product Details


1.Material: fiberglass and epoxy resin.

2.Process: winding

3.Diameter: from 10mm----1000mm

4.Length: from 10mm----10000mm

5.Color: Nature or any color

6.Surface : rough ,Smooth, SF6 resistant treatment.

7.Application : Insulation tube for surge arrester ,transformer,bushing and others.

8.Technical Character


NO.

Parameter

Unit

Value

1

Density

g/cm3

≥1.92

2

Bending strength

Mpa

≥320

3

Compression strength

Mpa

≥200

4

Shearing strength

Mpa

≥32

5

Dielectric loss factor(50HZ)


≥0.02

6

Dielectric Constant


3-6

7

Volume  resistivity

At  normal conditions

After  immersion  in  water

ΩM

≥1.0×1011

≥1.0×109

8

Insulation resistance

along laminas

At  normal conditions

After immersion in water

Ω

≥1.0×1011

≥1.0×109

9

Surface withstand voltage after wetting in normal air for 1min with gap between electrodes of 30mm

kV

14

10

Withstand  voltage  across  laminas  δ≤3mm

in Transformer  oil, at  90±2℃,5min  δ3mm

kV

18

20

11

Withstand voltage along laminas ion ransformer oil, at90±2℃,5min,between gap of 25mm

kV

≥25

≥50

≥75

12

Insulation resistance

≥5×104

13

Power Frequency withstanding voltage(in Transformer oil,5min,between gap of 100mm,5min) The gap (on customer’s order)

kV

≥85


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