Hydraulic oil HM
2 month ago








| Project | Testing Methods | Product Name | ||
| HM32 | HM46 | HM68 | ||
| Appearance | Visual | Light yellow transparent liquid | ||
| Density (20℃), g/m³ | GB/T1884 | 0.84 | 0.85 | 0.85 |
| Kinematic Viscosity (40℃), cst | GB/T265 | 32.1 | 45.8 | 67.8 |
| Viscosity Index | GB/T1995 | 112 | 105 | 100 |
| Acid Number, mgKOH/g | GB/T4945 | 0.47 | 0.48 | 0.48 |
| Pour Point, ℃ | GB/T3535 | -18 | -19 | -15 |
| Flash Point (Open cup), ℃ | GB/T3536 | 220 | 232 | 233 |
| Water Content, % | GB/T260 | Trace | Trace | Trace |
| Mechanical Contaminants, % | GB/T511 | None | None | None |
|
Demulsification (40-37-3),
54℃, min
82℃,min
|
GB/T7305 |
10
/
|
10
/
|
15
/ |
|
Foaming characteristics
Procedure I (24℃), ml
Procedure II (93.5℃), ml
Procedure III (after 24℃), ml
|
GB/T12579 |
10/0
15/0
25/0
|
35/0
20/0
20/0
|
30/0
20/0
15/0
|
| Copper Strip Corrosion (100℃, 3 h), grade | GB/T5096 | 1A | 1A | 1A |
| Air Release Value (50℃), min | SH/T0308 | 2 | 3 | 5 |
| Liquid Phase Corrosion (24 h) | GB/T11143 | No rust | No rust | No rust |




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Main Product:
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Working Fluid,
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Automotive Oil ,
Cutting fluid