This standard specifies the technical requirements, test methods, inspection rules, storage, transportation, packaging and marking of spunlace nonwoven synthetic leather base fabric products. This standard is suitable for identifying the quality of spunlace nonwoven fabrics (with or without impregnation process) made from various fibers and used as base fabrics for synthetic leather (including PVC and PU coated products). Other non-woven synthetic leather base fabrics can be implemented as a reference.