ISO6743"润滑剂、工业和有关产品的分类（L类）"标准将润滑剂产品分为18个组，
按字母A～Z排列。
A：全损耗系统Total loss systems
B：脱膜Mould release
C：齿轮Gears
D：压缩机（包括冷冻机和真空泵）Compressors (including refrigeration and vacuum pumps)
E：内燃机Internal combustion engine
F：主轴、轴承和离合器Spindle bearings,bearings and associated clutches
G：导轨Slideways
H：液压系统Hydraulic systems
M：金属加工Metal working
N：电器绝缘Electrical insulation
P：风动工具Pneumatic tools
Q：热传导Heat transfer
R：暂时保护防腐蚀Temporary protection against corrosion
T：汽轮机Turbines
U：热处理Heart treatment
X：用润滑脂的场合Applications requiring grease
Y：其他应用场合Other applications
Z：蒸汽汽缸Steam cylinders
S：特殊润滑剂应用场合Applications of particular lubricants
