This standard specifies the specifications and basic parameters, requirements, test methods and inspection rules, marking, packaging, transportation and storage of plastic extrusion dry hot-heating granulation auxiliary machines (hereinafter referred to as granulators). This standard is applicable to air-cooled, water ring, and water mist dry hot cutting granulation auxiliary machines for materials suitable for dry hot cutting, such as polyvinyl chloride, highly filled plastic masterbatch, hydrophilic materials, and non-sticky materials. This standard does not apply to non-plastic extrusion dry hot-heating granulation auxiliary machines.