Specifications for particular types of winding wires - Solderable polyurethane enamelled round copper wire, class 130, with a bonding layer Ingestion-build-134498 What is BS 7666-1:2019 about

What is BS 7666-1:2019 about

Product requirements

and soft seated and lined plug valves having a steel shell with specified shell wall thickness

For convenience

Lubrication of the wheel flange / rail gauge corner interface

Specifications for particular types of winding wires - Solderable polyurethane enamelled round copper wire, class 130, with a bonding layer Ingestion-build-134498 What is BS 7666-1:2019 about1 Scope This part of IEC 60317 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