Datasheet updated

2024-01-11 10:32
(supersedes all previous editions)

TRI-2-SOD is a magnet wire class H modified polyester resin insulation. It has excellent thermal endurance, solvent resistance and exhibits a low coefficient of friction to improve windability.

Typical applications are within appliance and tool motors, continuous operation coils, subfractional instrument and servo motors solenoids. speaker voice coils.

Electrical properties

Property NEMA MW 1000 ASTM D1696 IEC 851 JIS C 3003
Dielectric strength at 25°C (77°F) 69-75 13-4.2, 3, 4 11.1 14.0 kV
Dissipation factor at 220°C (428°F) 107-114 0.05

Mechanical properties

PropertyNEMA MW-1000ASTM D1696IEC 851JIS C 3003
Adherence and flexibility
no snap
20% snap




Pass 1d
Pass 1d
% elongation at break 122-129 6-3.0 38
Mandrel at break 122-129 Pass 1d
Cut through temperature 61-68 306°C (583°F)
Heat shock
20% stretch - ½ h at 200°C (392°F)




Pass 3d

Disclaimer: Recommendations are for guidance only, and the suitability of a material for a specific application can be confirmed only when we know the actual service conditions. Continuous development may necessitate changes in technical data without notice. This datasheet is only valid for Alleima materials.