Enameled wire is an indispensable material in modern society such as vibrant electrical appliances, electronic machines, motors, transformers, relays and even automotive parts. Chalco has various types of enameled wires, including enameled aluminum wire, enameled copper wire, enameled copper clad aluminum wire, high-tension wire, magnetic wire, stranded wire, etc. Chalco's special enameled flat wire is suitable for high-precision coils and has won the trust of the industry.
PIW 240 grade polyimide enamelled copper wire
PIW is a polyimide resin with the highest heat resistance of an organic polymer made by the reaction of aromatic tetracarboxylic acid dianhydride and aromatic diamine for enameled wire. PIW is a very reliable performance because it has excellent through characteristics, overload characteristics and thermal shock resistance.
Characteristics of PIW 240 grade polyimide enamelled copper wire:
High heat resistance; superior chemical resistance
Application:
High heat resistant components; high power motor
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General Introduction |
Heat resistance |
Electrical performance |
Mechanical behavior |
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Standard |
NEMA MW 16-C |
Temperature index (°C) |
≥240 |
Film continuity standard requirement |
≤6 |
Elongation standard（0.050mm） |
≥10% |
|
Diameter |
0.016-0.800 |
Softening breakdown temperature (°C) standard requirement |
≥450 |
Typical value |
0 |
Typical value （0.050mm） |
20% |
|
Temperature index (°C) |
240 |
Typical value (°C) (0.050mm) |
460 |
Standard requirements (IEC) |
≤40 |
Elongation standard（0.250mm） |
≥22% |
|
Softening breakdown temperature (°C) |
450 |
Thermal shock temperature (°C) standard requirement |
260 |
Typical value |
1 |
Typical value （0.250mm） |
35% |
|
Thermal shock temperature (°C) |
260 |
Typical value(0.050mm) |
300 |
Breakdown voltage per micrometer |
|
|
|
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Solderability |
Not weldable |
Typical value(0.250mm) |
300 |
Typical value （0.050mm） |
200 |
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