... 18 Years Quality Assurance UL Approved Double Insulated Winding Wire1.Specifications of insulated winding wire :Diameter:0.025mm-2.0mmStandard: ... :SGS,UL Approved,iso9001,iso140012.Features of insulated winding wire :a) Excellent resistance to abrasion and solvent,b) ... and good heat dispersing performance, especially for the winding wire for transferring high frequency signal, such household appliances ...