GB/T 12691-2021 Air compressor oils

GB/T 12691-1990 Air compressor oils GB/T 5904-1986 Lubricants for light duty rotary oil-flooded air compressor

GB/T 259-1988 Petroleum products—Determination of water-soluble acids and alkalis GB/T 260-2016 Test method for water in petroleum products—Distillation method GB/T 265-1988 Petroleum products—Determination of kinematic viscosity and calculation of dynamic viscosity GB/T 268-1987 Petroleum products—Determination of carbon residue—Conradson method GB/T 511-1988 Petroleum products and additives—Determination of mechanical impurities—Gravimetric method GB/T 511-2010 Petroleum,petroleum products and additives—Method for determination of mechanical admixtures GB/T 1995-1998 Petroleum products—Calculation of viscosity index GB/T 2433-2001 Petroleum products-Lubricating oils and additives—Determination of sulphated ash GB/T 3141-1994 Industrial liquid lubricants—ISO viscosity classification GB/T 3535-1983 Petroleum oils—Determination of pour point GB/T 3535-2006 Petroleum products—Determination of pour point GB/T 3536-1983 Petroleum products—Determination of flash and fire points—Cleveland open cup method GB/T 3536-2008 Petroleum products—Determination of flash and fire points—Cleveland open cup method GB/T 4756-1998 Petroleum liquids—Manual sampling GB/T 4756-2015 Method for manual sampling of petroleum liquids GB/T 4945-2002 Standard test method for acid and base number of petroleum products and lubricants by Colour-indicator titration GB/T 5096-1985 Petroleum products—Corrosiveness to copper—Copper strip test GB/T 5096-2017 Test method for corrosiveness to copper from petroleum products by copper strip test GB/T 7304-2000 Petroleum products and lubricants—Determination of acid number—Potentiometric titration method GB/T 7304-2014 Standard test method for acid number of petroleum products by potentiometric titration GB/T 7305-2003 Standard test method for water separability of petroleum oils and synthetic fluids GB/T 7631.9-1997 Lubricants and related products(class L)—Classification—Part 9:Family D(Compressors) GB/T 7631.9-2014 Lubricants,industrial oils and related products(class L)—Classification—Part 9:Family D(Compressors) GB/T 9168-1997 Petroleum products-Determination of distillation at reduced pressure GB/T 11133-1989 Liquid petroleum products—Determination of water—Karl fischer reagent method GB/T 11133-2015 Standard test method for determination of water in petroleum products,lubricating oils,and additives—Coulometric Karl Fischer titration method GB/T 11143-1989 Inhibited mineral oil—Test method of rust preventing characteristics in the presence of water GB/T 11143-2008 Standard test method for rust-preventing characteristics of inhibited mineral oil in the presence of water GB/T 12579-2002 Determination of foaming characteristics of lubricating oils GB/T 12581-2006 Standard test method for oxidation characteristics of inhibited mineral oils GB/T 12709-1991 Lubricating oils—Determination of aging characteristics—Conradson carbon residue method GB/T 17144-1997 Petroleum products—Determination of carbon residue—Micro method GB/T 17144-2021 Petroleum products—Determinatioan of carbon residue—Micro method GB/T 30515-2014 Petroleum products—Transparent and opaque liquids—Determination of kinematic viscosity and calculation of dynamic viscosity NB/SH/T 0164-2019 Rules for packaging, storage and transportation of petroleum and related products, as well as acceptance and delivery inspection NB/SH/T 0870-2013 Determination of dynamic viscosity and density of petroleum products and calculation of dynamic viscosity using Stableberg viscosity meter method SH/T 0193-2008 SH/T 0193-2008 Determination of oxidative stability of lubricating oils - Rotary oxygen bomb method SH/T 0193-1992 Lubricant Oxidation Stability Test (Rotary Oxygen Bomb Method) GB/T 2541-1981 Petroleum products--Computation table for viscosity indices GB/T 11143-2025 Test method for rust-preventing characteristics of inhibited mineral oil in the presence of water GB/T 3535-2025 Determination of pour point for petroleum products GB/T 9168-2025 Determination of distillation range of petroleum products—Vacuum distillation method