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UL Thermal Resistance Class B/F PTFE Triple Insulated Wire for Transformer
The unique combination of materials used in triple insulation provides excellent resistance to chemicals and solvents, making TIW wire suitable for use in harsh environments where exposure to such substances is common.
Item/No. | Requirements | Test Result | Note |
Appearance | Smooth surface, no black spots, no peeling, no copper exposure or cracking. | OK | |
Flexibility | 10 turns winding on rod, no crack, no wrinkles, no peeling | OK | |
Solderability | 420+/-5℃, 2-4s | OK | Can be peeled off, can be soldered |
Overall Diameter | 2.2+/-0.20mm | 2.187mm | |
Conductor Diameter | 0.1+/-0.005mm | 0.105mm | |
Resistance | 20℃, ≤9.81Ω/km | 5.43 | |
Breakdown Voltage | AC 6000V/60S, no breakdown of insulation | OK | |
Withstand Bending | Withstand 3000V for 1min. | OK | |
Elongation | ≥15% | 18% | |
Heat Shock | ≤150° 1hr 3d no crack | OK | |
Withstand friction | Not less than 60 times | OK | |
Withstand temperature | -80℃-220℃ high temperature test, no wrinkle on surface, no peeling, no crack | OK |