IEC 60317-2 Ed. 5.0 b:2019

IEC 60317-2 Ed. 5.0 b:2019 Specifications for particular types of winding wires. Part 2: Solderable polyurethane enamelled round copper wire, class 130, with a bonding layer
standard by International Electrotechnical Commission, 08/08/2019

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IEC 60317-2:2019 specifies the requirements of solderable enamelled round copper winding wire of class 130 with a dual coating. The underlying coating is based on polyurethane resin, which may be modified providing it retains the chemical identity of the original resin and meets all specified wire requirements. The superimposed coating is a bonding layer based on a thermoplastic resin. NOTE A modified resin is a resin that has undergone a chemical change, or contains one or more additives to enhance certain performance or application characteristics.