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Fiberglass Insulation parts
Fiberglass tube
Posted:2016-12-07 | Browse: 1340 【Close this page

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

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

Volumeresistivity

Atnormal conditions

Afterimmersioninwater

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, at90±2℃,5minδ3mm

kv

18

20

11

Withstand voltage along laminas ion ransformer oil,at 90±2℃,5min,between gap of 25mm

kv

≥25

≥50

≥75

12

Insulationresistance

≥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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