This document specifies the requirements, test methods, inspection rules, marking, transportation and storage of neopentyl glycol esters for industrial use. This document applies to industrial neopentyl glycol esters produced through distillation, filtration, decolorization and other processes during the hydrogenation of isobutyraldehyde as raw material to produce neopentyl glycol. This product is a mixture of neopentyl glycol and hydroxypivalate neopentyl glycol monoester as the main components. It is mainly used to produce unsaturated resins, polyester powder coatings, etc.