... 220c 3.Centification:SGS,UL,ISO 4.Standard:IEC,GB,NEMA,JIS UL standard Polyamide transformer winding wire1.Diameter of transformer ... of transformer winding wire:B130, F155, H180, H200C 3.Standard of transformer winding wire: IEC, NEMA4.Certification of transformer winding ... film no cracking3D half an hour, no crackingResistance to solvent Standard solvent "H" Pencil2H is oKBreakdown VoltageKV2.5 KV4.2, ...