GB/T 20420-2006
ActiveLubricants, industrial oils and related products (class L)-Family E (internal combustion engine oils)-Specifications for two-stroke-cycle gasoline engine oils (categories EGB, EGC and EGD)
润滑剂、工业用油和相关产品（L类）-E组（内燃机油）-二冲程汽油发动机油（EGB、EGC和EGD）
Application Summary AI generated
This standard specifies the performance requirements, viscosity grades, and test methods for three categories of two-stroke-cycle gasoline engine oils (EGB, EGC, and EGD). It is applied in the formulation, quality control, and procurement of lubricants for small two-stroke engines used in motorcycles, chainsaws, outboard motors, and other portable power equipment. The standard ensures proper lubrication, detergency, and exhaust system compatibility under varying operating conditions.
Related Standards
GB/T 7631.2-2003
Lubricants，industrial oils and related products(class L)--Classification--Part 2: Family H(Hydraulic systems)
GB/T 7631.17-2003
Lubricants，industrial oils and related products(class L)--Classification--Part 17:Family E(Internal combustion engine oils)
GB/T 12579-2002
Determination of foaming characteristics of lubricating oils
GB/T 2433-2001
Petroleum products--Lubricatingoils and additives--Determination of sulphated ash
GB/T 7631.16-1999
Lubricants and related products(class L)--Classification--Part 16:Family P (Pneumatic tools)
GB/T 12583-1998
Standard test method for measurement of extreme-pressure properties of lubricating fluids(four-ball method)
GB/T 7631.15-1998
Lubricants and related products(class L)--Classification--Part 15:Family N (Insulating liquids)
GB/T 7631.14-1998
Lubricants and related products(class L)--Classification--Part 14:Family U (Heat treatment)
Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.