NOMEX® 818 – A1 – 0.2mm | DuPont™Custom pads and gaskets priced instantly and made to order within 24 hours!

NOMEX® 818 – A1 – 0.2mm | DuPont™

Electrical Insulation Paper

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  • Exceptional thermal stability
  • Outstanding mechanical toughness
  • Inherent dielectric strength
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Order Total Discount
£1 - £500 N/A
£501 - £1000 1% discount
£1001 - £2500 2% discount
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Description

DuPont™ Nomex® 818 delivers reliable performance for increased confidence in the face of many dangerous conditions. Built on a 50-year track record, Nomex® provides proven, lightweight and durable solutions for a range of applications and industries. From keeping people safe while drilling beneath the earth’s core to rocketing into space. Nomex®. NEVER QUIT™.

A1 = Adhesive on one side

Benefits

  • High inherent dielectric strength
  • Available in five thicknesses, ranging from 0.08 mm to 0.25 mm (3 mil to 10 mil).
  • Exceptional thermal stability
  • Outstanding mechanical toughness

Features

  • Exceptional thermal stability
  • Outstanding mechanical toughness
  • Inherent dielectric strength

Recommended Uses

  • Nomex® 818 is designed for high-voltage applications, including motor conductor and coil wrap, transformer ground and layer insulation.
Electrical Properties
Property Thickness 0.08mm Thickness 0.13mm Thickness 0.015mm Thickness 0.20mm Thickness 0.25mm Test Method
Dielectric Strength AC Rapid Rise,
V/mil		 710 890 990 1000 990 ASTM D149¹
Dielectric Strength AC Rapid Rise,
kV/mm		 28.1 35.0 39.0 39.3 39.0 ASTM D149¹
Full Wave Impulse,
V/mil		 1600 1600 1600 1600 1700 ASTM D3426
Full Wave Impulse,
kV/mm		 63 63 63 63 67 ASTM D3426
Dielectric Constant at 60 Hz
50% RH		 2.9 3.6 5.0 4.0 4.1 ASTM D150
Dielectric Constant at 60 Hz
Dry²		 2.3 2.5 3.0 2.5 2.5 ASTM D150
Dissipation Factor at 60 Hz (x10-³)
50% RH		 130 120 180 140 140 ASTM D150
Dissipation Factor at 60 Hz (x10-³)
Dry²		 6 120
6		 5 6 6 ASTM D150
Volume Resistivity, ohm.cm
50% RH		 10,13 10,13 10,13 10,13 10,13 ASTM D257
Volume Resistivity, ohm.cm
Dry²		 10,16 10,16 10,15 10,16 10,16 ASTM D257
Surface Resistivity, ohm/square
50% RH		 10,11 10,12 10,12 10,12 10,12 ASTM D257
Surface Resistivity, ohm/square
Dry²		 10,14 10,15 10,14 10,15 10,15 ASTM D257
Mechanical Properties
Property Thickness 0.08mm Thickness 0.13mm Thickness 0.015mm Thickness 0.20mm Thickness 0.25mm Test Method
Basis Weight, g/m² 89.2 148.4 179.5 240 298 ASTM D646
Density, g/cc 1.13 1.13 1.18 1.15 1.12
Tensile Strength, N/cm
MD		 31 52 67 91 111 ASTM D828
Tensile Strength, N/cm
XD		 22 38 48 65 78 ASTM D828
Elongation, %
MD		 2.9 3.0 3.6 3.7 3.8 ASTM D828
Elongation, %
XD		 3.0 3.4 3.7 3.7 3.8 ASTM D828
Elmendorf Tear, N
MD		 1.1 2.0 2.6 3.6 4.9 TAPPI 414
Elmendorf Tear, N
XD		 1.6 2.9 3.9 5.2 6.7 TAPPI 414
Initial Tear Strength, N
MD		 9 16 20 28 34 ASTM D1004²
Initial Tear Strength, N
XD		 6 10 14 19 24 ASTM D1004²
Shrinkage at 300°C, %
MD		 0.1 0.1 0.0 0.0 0.0
Shrinkage at 300°C, %
XD		 0.0 0.0 0.0 0.0 0.0
Radiation Resistance
Property Dose, Mgy – 0 Dose, Mgy – 1 Dose, Mgy – 2 Dose, Mgy – 4 Dose, Mgy – 8 Dose, Mgy – 16 Dose, Mgy – 32 Dose, Mgy – 24
Tensile Strength, % of original MD 100 96 100 100 100 100 87 40 ASTM D828
Tensile Strength, % of original
XD		 100 99 100 91 93 90 96 78 ASTM D828
Elongation, % of original MD 100 100 100 91 64 46 46 27 ASTM D828
Elongation, % of original XD 100 86 93 79 64 43 50 21 ASTM D828
Dielectric Strength,
V/mil		 1370 1370 1400 1370 1220 1350 1420 1320 ASTM D149¹
Dielectric Strength,
kV/mm		 54 54 55 54 48 53 56 52 ASTM D149¹
Dielectric Constant at 60 Hz 3.9 3.6 3.8 3.9 3.5 3.4 2.5 2.9 ASTM D150
Dielectric Constant at 1 Hz 3.3 3.0 3.3 3.4 3.1 3.0 2.3 2.7 ASTM D150
Dielectric Constant at 10 Hz 2.9 2.7 2.9 3.0 2.7 2.7 2.1 2.6 ASTM D150
Dissipation Factor (x 10-³) at 60 Hz 103 94 79 93 87 95 67 48 ASTM D150
Dissipation Factor (x 10-³) at 1 Hz 96 93 82 91 82 83 53 40 ASTM D150
Dissipation Factor (x 10-³) at 10 Hz 76 81 75 85 76 73 40 31 ASTM D150

DuPont™ NOMEX® Datasheet





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