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Resistance Wire

Our Products

BriskHeat 

Resistance Wire

Product Highlights

checkmark Same wire we use to manufacture our high quality serpentine heating element

checkmark Multi-stranded construction provides greater flexibility than solid strand wires

checkmark Flexible up to a 1/16" (1.6mm) radius

checkmark Three types of resistance wires to solve multiple OEM heating applications

Specifications

RWK Polyimide Film Insulated Resistance Wire

RWK drawing

Click to Enlarge

  • 482°F (250°C) continuous exposure temperature
  • Insulation type: 1 mil polyimide film with 50% overlap
  • Insulation thickness: 2 mil
  • Dielectric strength: Over 2000 volts
  • Suitable for use on conductive surfaces
  • 500ft (152m) or 1000ft (305m) spools
  • UL

 

RWF Fiberglass Insulated Resistance Wire

RWF drawing

Click to Enlarge

  • 1100°F (593°C) continuous exposure temperature
  • Insulation type: Two layer of 8 mil diameter strands of fiberglass yarn
  • Dielectric strength: Over 2000 volts
  • Not suitable for use on conductive surfaces
  • Optional PTFE coating provides anti-fraying and abrasion resistance
  • 500ft (152m) or 1000ft (305m) spools

 

RWG Grounded Resistance Wire

RWG drawing

Click to Enlarge

  • 482°F (250°C) continuous exposure temperature
  • Patented grounded braid through entire length of heating element
  • Insulation type: 1 mil polyimide film with 50% overlap
  • Insulation thickness: 2 mil
  • Two layers of 8 mil diameter fiberglass braided over polyimide film
  • Dielectric strength: Over 2000 volts
  • Suitable for use on conductive surfaces
  • Optional PTFE coating provides anti-fraying and abrasion resistance
  • 500ft (152m) or 1000ft (305m) spools
  • UL

PDFResistance Wire Specification Sheet

Ordering Information

When specifying resistance wire, it is important to consider all aspects of the application and of the wire. For example, if the application is on a conductive surface, wire type RWF should not be chosen. Also, if the application requires constant temperatures of 350°F (176°C), then alloy J should not be chosen. Call your local distributor or BriskHeat direct for application assistance.

Part Number Matrix

Ordering part number matrix

Alloy Specifications
ohms law
Alloy Type Gauge / Strand Maximum Exposure Temperature Ohms / Ft / Strand Composition
A 43 1650°F (899°C) 175.00 71.75% Fe, 22% Cr, 5.75% Al, 0.5% Cu
B 41 1650°F (899°C) 115.31 71.75% Fe, 22% Cr, 5.75% Al, 0.5% Cu
C 40 1650°F (899°C) 88.18 71.75% Fe, 22% Cr, 5.75% Al, 0.5% Cu
D 40 1650°F (899°C) 70.24 60% Ni, 15% Cr, 25% Fe
E 39 1650°F (899°C) 55.10 60% Ni, 15% Cr, 25% Fe
F 37 1650°F (899°C) 33.33 60% Ni, 15% Cr, 25% Fe
G 37 450°F (232°C) 14.52 55% Cu, 45% Ni
H 37 1000°F (538°C) 8.88 78% Cu, 22% Ni
I 37 797°F (425°C) 4.44 88% Cu, 12% Ni
J 36 300°F (149°C) 0.48 90% Cu (core), 10% Ni (cladding)

 

Resistance per Foot
Number of Strands Alloy Type
A B C D E F G H I J
5 35.000 23.062 17.636 14.048 11.020 6.666 2.904 1.776 0.888 0.096
6 29.167 19.218 14.697 11.707 9.183 5.555 2.420 1.480 0.740 0.080
7 25.000 16.473 12.597 10.034 7.871 4.761 2.074 1.269 0.634 0.069
8 21.875 14.414 11.023 8.780 6.888 4.166 1.815 1.110 0.555 0.060
9 19.444 12.812 9.798 7.804 6.122 3.703 1.613 0.987 0.493 0.053
10 17.500 11.531 8.818 7.024 5.510 3.333 1.452 0.888 0.444 0.048
11 15.909 10.483 8.016 6.385 5.009 3.030 1.320 0.807 0.404 0.044
12 14.583 9.609 7.348 5.853 4.592 2.778 1.210 0.740 0.370 0.040
13 13.461 8.870 6.783 5.403 4.238 2.564 1.117 0.683 0.342 0.037
14 12.500 8.236 6.299 5.017 3.936 2.381 1.037 0.634 0.317 0.034
15 11.667 7.687 5.879 4.683 3.673 2.222 0.968 0.592 0.296 0.032
16 10.938 7.207 5.511 4.390 3.444 2.083 0.908 0.555 0.278 0.030
17 10.294 6.783 5.187 4.132 3.241 1.961 0.854 0.522 0.261 0.028
18 9.722 6.406 4.899 3.902 3.061 1.852 0.807 0.493 0.247 0.027
19 9.211 6.069 4.641 3.697 2.900 1.754 0.764 0.467 0.234 0.025
20 8.750 5.766 4.409 3.512 2.755 1.667 0.726 0.444 0.222 0.024
21 8.333 5.491 4.199 3.345 2.624 1.587 0.691 0.423 0.211 0.023
22 7.954 5.241 4.008 3.193 2.505 1.515 0.660 0.404 0.202 0.022
23 7.609 5.013 3.834 3.054 2.396 1.449 0.631 0.386 0.193 0.021
24 7.292 4.805 3.674 2.927 2.296 1.389 0.605 0.370 0.185 0.020
25 7.000 4.612 3.527 2.810 2.204 1.333 0.581 0.355 0.178 0.019
26 6.731 4.435 3.392 2.702 2.119 1.282 0.558 0.342 0.171 0.018
27 6.481 4.271 3.266 2.601 2.041 1.234 0.538 0.329 0.164 0.018
28 6.250 4.118 3.149 2.509 1.968 1.190 0.519 0.317 0.159 0.017
29 6.034 3.976 3.041 2.422 1.900 1.149 0.501 0.306 0.153 0.017
30 5.833 3.844 2.939 2.341 1.837 1.111 0.484 0.296 0.148 0.016

 

Note: Resistance tolerance is ±8%

Resistance wire should not be used to produce greater than 15 watts per inch (25mm).

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