This part of JB/T 7599 specifies the technical requirements, inspection rules, packaging, marking, storage and transportation of grade 180 polyurethane enameled wire paint. This section applies to Grade 180 polyurethane enameled wire paint based on polyisocyanate-based polyurethane resin and dissolved and diluted with a suitable solvent (hereinafter referred to as Grade 180 polyurethane paint).