Nomex® insulating pipes, calendered, non-shrinking, class H (180 °C)

Nomex® insulating pipes, calendered, non-shrinking, class H (180 °C)

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Coiled, multi-layer insulating and protective conduit for applications in temperature class H.

  • Inner diameter from 2.00 mm to 200
  • with wall thicknesses from 0.105 mm to 0.8 mm
  • The insulating tube is made of wound Nomex® film and can be used for applications up to 180 °C.
  • The material is UL
  • It is resistant to chemicals and solvents.
  • The white insulating pipes are also available with color coding for differentiation.

The non-shrink insulating tube made of calendered Nomex® 410 is very suitable for insulating electrical cables in electric motors and applications in the aviation and automotive industries. The tensile strength and contact resistance are maintained even at high temperatures.

Art.-Nr.

Technical data

Properties: DuPont ™ Nomex® 410

Electrical properties
Properties of the film 50 µm

(2 mil)

 75 µm

(3 mil)

 125 µm

(5 mil)

 Test method
Dielectric strength [V/mil]

(AC steep rise)

 430 550 680 Electode spacing 50 mm.

ASTM D149*
Dielectric constant at 60 Hz 1,6 1,6 2,4 ASTM D3426

 

*Conforms to IEC 243-1, 9.1 with the exception of electrode gap 50mm.

 

Physical properties
Properties of the film 50 µm 75 µm 125 µm Test method
Weight [g/m2] 41 63 116 ASTM D646
Density [g/cm3] 0,72 0,08 0,13

 

Mechanical properties
Properties of the film 50 µm 75 µm 125 µm Test method
Tear resistance
in running direction (LR) LR

transverse to running direction (QR) QR

 [N/cm] 39 65 137 ASTM D828
18 32 66
Tear elongation
LR

QR

 [%] 9 11 15 ASTM D828
6 8 12
Tear resistance (Elmendorf )
LR

QR

 [N) 0,8 1,2 3,4 TAPP1-414
1,6 2,3 5,2
Tear resistance
LR

QR

 [N] 11 16 33 TAPP1-414
6 8 17
Shrinkage at 300 ºC
LR

QR

 [%] 2,2 1,1 0,9 ASTM D1004
0,1 0,0 0,0

 

Influence of moisture on DuPont™ Nomex® 410

Electrical properties Test method
DuPont™ Nomex® 410 – 0.25 mm
Moisture content oven dry 50 % 96 %
Dielectric strength

(AC steep rise)

 [kV/mm] 33,5 32,1 30,7 ASTM D149
Dielectric constant
at 60 Hz 2,5 2,7 3,2 ASTM D150
at 1 KHz 2,3 2,6 3,1
Loss factor
at 60 Hz 6 x10-3 6 x10-3 11 x10-3
at 1 KHz 13 x10-3 14 x10-3 25 x10-3
Contact resistance [W/cm] 6 x 1016 2 x 1016 2 x 1014 ASTM D257

Physical properties
DuPont™ Nomex® 410 – 0.08 mm
Moisture content oven dry 50 % 65 % 95 %
Expansion
in running direction (LR) LR [%] 0 0,4 0,6 0,9
transverse to running direction (QR) QR 0 0,5 0,8 1,6
Moisture absorption [%] 0 2,9 4,9 7,7

 

Item number:

IRNNOdddd/www/llll Example: IRNNO0100/005/0500 IRNNO = master number 0100 = 1.00 mm diameter 005 = 0.05 mm wall thickness 0500 = 500 mm length

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