Routine test items of various oil products:
Test items of new lubricating oil (including hydraulic oil, gear oil, various types of engine oil, etc.):
Kinematic viscosity 40 ℃/100 ℃ GB/T265, viscosity index GB/T1995, moisture GB/T260, flash point GB/T3536, acid value GB/T7304, mechanical impurities GB/T511, cleanliness (also called particle size, pollution degree) NAS1638/ISO4406, copper corrosion GB/T5096, foam characteristics GB/T12597, anti emulsification GB/T8022 Liquid phase corrosion GB/T11143, pour point GB/T3535, PQ index PQ instrument, elemental analysis GB/T17476, etc.
Inspection items for lubricating oil in use (including hydraulic oil, gear oil, various types of engine oils, etc.):
Kinematic viscosity 40 ℃ GB/T265, moisture GB/T260, flash point GB/T3536, acid value GB/T7304, mechanical impurities GB/T511, cleanliness (also known as particle size and pollution degree) NAS1638/ISO4406, PQ index PQ instrument, elemental analysis GB/T17476 Ferrographic analysis SH/T0573, etc.
Routine testing items for fuel oil (including diesel, biofuel, furnace/marine fuel oil, residual fuel oil, etc.):
Sulfur content SH/T0689, 10% residual carbon GB/T 17144, ash GB/T 508, copper corrosion (50 ℃, 3h) GB/T 5096, moisture GB/T260, mechanical impurities GB/T511, kinematic viscosity (20 ℃) GB/T265, pour point GB/T 510, cold filtration point SH/T 0248 Flash point (closed) GB/T3536, cetane index SH/T 0694, distillation range GB/T 6536, density (20 ℃) ISO 12185, acidity GB/T258, total pollutants GB/T 33400, etc.
Routine testing items for power plant oil (including transformer oil, turbine oil, etc.):
Transformer oil (insulation oil): water-soluble acid (pH value) GB/T 7598, acid value GB/T 264, flash point (closed) GB/T 261, moisture (trace) GB/T 7600 Interface tension GB/T 6541, dielectric loss factor GB/T 5654, breakdown voltage GB/T 507, volume resistivity GB/T 5654, dissolved gas component content (chromatographic analysis) GB/T 17623, oil sludge and sediment GB/T 511, particle size in oil NAS1638/ISO4406, corrosive sulfur DL/T285, antioxidant additive GB/T7602, color GB/T6540, furfural NBSHT 0812, etc.
Steam turbine oil (turbine oil):
Kinematic viscosity 40 ℃ GB/T265 Open flash point GB/T3536, acid value GB/T7304, liquid phase corrosion (60 ℃, 24h) GB/T11143, foam characteristics GB/T12597, water separation @ 54 ℃ GB/T8022, cleanliness (also called particle size, pollution degree) NAS1638/ISO4406, moisture GB/T260, mechanical impurities GB/T511, rotating oxygen bomb SH/T0193, element analysis GB/T17476, etc
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