Product Introduction: Vertical winding has temperature-resist grade of C level or above, it satisfies various types of vertical winding, working temperature of long term use is 220. This product is suitable for transformer, electromagnet, electric welding machine and other similar equipment. Executive standardGB/T7095-2008 Production range Vertical winding Narrow edge size a:0.50mm5.00mm Narrow edge size b:3.00mm16.00mm Recommended conductor width ratio 1.5b/a7.5 If specifications beyond the above range, please contact us product categories � 220 class polyamideimide enamelled rectangular copper vertical wire Please contact us if chose other types of enamelled wire Materials copper strap wire should be compliant with GB5584.2-2009,specific resistance is not more than 0.017241Ωmm2/m at 20. Film thickness of enameled flat copper wire should be in accordance with the following Table, Please contact us if film thickness is specially required.