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3640 epoxy tube - transformer insulation tube

3640 epoxy tube - transformer insulation tube:

 

•Light weight (25% steel, 70% aluminium).  

 

•High strength

 

•It can be very durable in corrosive environments.

 

•Not easily deformed, scratched or ruptured  

 

•Suitable for transparent radome and radio sleeve.  

 

•Suitable for electrical and thermal insulation.    

 

•Heat resistant grades are F (150 degrees), H (180 degrees), C (220 degrees), 250 degrees or more  

 

•Flame retardant (UL94:V0.V1)

 

•Waterproof

 

•You can choose colors (light green is the natural color, other colors can be customized). 


Table 1, unit (mm)

 

Nominal internal

Min Wall-thickness

Bore tolerance

Wall-thickness Wall-thickness

6~30

3.6

c0.30

±0.30

30~80

4.0

±0.40

±0.40

80~150

5.0

±0.50

±0.50

 

Nominal length and tolerance are shown in Table 2

 

Table 2, unit (mm)

 

Nominal length

Tolerance

900

±5

490

±2

320

±1

 

Physical, mechanical, and dielectric properties are shown in Table 3

 

Table 3, unit (mm)

 

Number

Index name

Unit

Index

One

Specific gravity, no less than


1.40

Two

 

Bending strength, no less than

Kgf/cm2

1800

Three

Tensile strength

Kgf/cm2

700

Four

Shear strength

Kgf/cm2

150

Five

Volume resistivity, no less than

Ω · cm


Normal time


1012

After soaking


1010

Six

Parallel layer to layer insulation resistance, no less than

Ω


Normal time


1010

After soaking


107

Seven

Tangent of dielectric loss angle at frequency 50Hz, no higher than


0.030

Eight

Vertical layer to withstand voltage, at 90 + 2 degrees Celsius transformer oil, pressure 5 minutes

Kv


Wall-thickness1.5mm


12

Wall-thickness2.0mm


14

Wall-thickness2.5mm


16

Wall-thickness3.0mm


18




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