Leading provider
of high-performance wire,
cable and tubing since 1959
Toll Free:(800) 822-WIRE
Local: (661) 257-2400
HML is a film-coated magnet wire made with aromatic polyimide resin. It is a Class 240 insulation with exceptional resistance to chemical solvents and burn-out. It will operate at temperatures in excess of 240°C for intermittent duty. The outstanding thermoplastic flow of over 400°C and its ability to withstand excessive overloads extends the use of magnet wire in extreme conditions. HML is unaffected by prolonged exposure to varnish solvents and is compatible with most systems.

Typical Applications

Whenever high temperatures and extreme overload or ambient conditions are required, HML magnet wire may be used.
  • Fractional and integral horsepower motors
  • High temperature continuous duty coils and relays
  • Hermetic and sealed units
  • Heavy duty hand tool motors
  • Encapsulated coils
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Item #

AWG Size

Nom. Bare Wire Diameter

Min. Increase in Diameter Due to Film Coating

Max. Overall Diameter of Film-Coated Wire

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N/A 48 N/A 0.00124 in0.0315 mm N/A 0.0002 in0.005 mm N/A 0.00170 in0.0432 mm
N/A 46 N/A 0.00157 in0.0399 mm N/A 0.0003 in0.008 mm N/A 0.0021 in0.0533 mm
N/A 45 N/A 0.00176 in0.0447 mm N/A 0.0004 in0.001 mm N/A 0.0024 in0.0610 mm
N/A 44 N/A 0.002 in0.051 mm N/A 0.0004 in0.010 mm N/A 0.0027 in0.069 mm
N/A 43 N/A 0.0022 in0.056 mm N/A 0.0004 in0.010 mm N/A 0.0029 in0.074 mm
N/A 42-1/2 N/A 0.0024 in0.061 mm N/A 0.0004 in0.010 mm N/A 0.0031 in0.079 mm
N/A 42 N/A 0.0025 in0.064 mm N/A 0.0004 in0.010 mm N/A 0.0032 in0.081 mm
N/A 41 N/A 0.0028 in0.071 mm N/A 0.0005 in0.013 mm N/A 0.0036 in0.091 mm
N/A 40-1/2 N/A 0.003 in0.076 mm N/A 0.0005 in0.013 mm N/A 0.0039 in0.098 mm
N/A 40 N/A 0.0031 in0.079 mm N/A 0.0006 in0.015 mm N/A 0.0040 in0.102 mm
N/A 39 N/A 0.0035 in0.089 mm N/A 0.0006 in0.015 mm N/A 0.0045 in0.114 mm
N/A 38-1/2 N/A 0.0037 in0.094 mm N/A 0.0006 in0.015 mm N/A 0.0048 in0.122 mm
N/A 38 N/A 0.004 in0.102 mm N/A 0.0007 in0.018 mm N/A 0.0051 in0.130 mm
N/A 37-1/2 N/A 0.0042 in0.107 mm N/A 0.0007 in0.018 mm N/A 0.0054 in0.136 mm
N/A 37 N/A 0.0045 in0.114 mm N/A 0.0007 in0.018 mm N/A 0.0057 in0.145 mm
N/A 36-1/2 N/A 0.0047 in0.119 mm N/A 0.0007 in0.018 mm N/A 0.0060 in0.152 mm
N/A 36 N/A 0.0050 in0.127 mm N/A 0.0008 in0.020 mm N/A 0.0063 in0.160 mm
N/A 35 N/A 0.0056 in0.142 mm N/A 0.0009 in0.023 mm N/A 0.0070 in0.178 mm
N/A 34-1/2 N/A 0.0059 in0.150 mm N/A 0.0010 in0.025 mm N/A 0.0074 in0.188 mm
N/A 34 N/A 0.0063 in0.160 mm N/A 0.0010 in0.025 mm N/A 0.0078 in0.198 mm
N/A 33 N/A 0.0071 in0.180 mm N/A 0.0011 in0.028 mm N/A 0.0088 in0.224 mm
N/A 32-1/2 N/A 0.0075 in0.190 mm N/A 0.0012 in0.030 mm N/A 0.0093 in0.236 mm
N/A 32 N/A 0.0080 in0.203 mm N/A 0.0012 in0.030 mm N/A 0.0098 in0.249 mm
N/A 31-1/2 N/A 0.0084 in0.213 mm N/A 0.0013 in0.033 mm N/A 0.0103 in0.262 mm
N/A 31 N/A 0.0089 in0.226 mm N/A 0.0013 in0.033 mm N/A 0.0108 in0.274 mm
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