Fluids, lubricants & process materials · Hydraulic fluids
ISO VG 46 mineral hydraulic oil
ISO VG 46 mineral hydraulic oil is a process-fluid reference for thermal, hydraulic or lubrication screening. Concentration, additives, pressure, temperature and ageing must accompany properties.
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01
Overview
- Material class
- Fluids, lubricants & process materials
- Category
- Hydraulic fluids
- Family
- Mineral hydraulic oil
- Product forms
- Bulk liquid
Composition
| Constituent | Min | Max | Typical | Note |
|---|---|---|---|---|
| Identity / formulation | Refined mineral base oil + additive package | Purity and additive package may vary |
02
Properties and conditions
Engineering properties
| Property | Value | Unit | Condition |
|---|---|---|---|
| Density | 850–890 | kg/m³ | Representative generic grade; verify supplier, condition and test method |
| Dynamic or kinematic viscosity | 41.4–50.6 mm²/s at 40 °C | See condition | Representative generic grade; verify supplier, condition and test method |
| Thermal conductivity | ~0.13 | W/m·K | Representative generic grade; verify supplier, condition and test method |
| Indicative operating range | Product dependent | °C | Representative generic grade; verify supplier, condition and test method |
| Heat capacity | Temperature dependent | kJ/kg·K | Representative generic grade; verify supplier, condition and test method |
| Compatibility | Materials and concentration dependent | — | Representative generic grade; verify supplier, condition and test method |
Conditions
Representative clean fluid
Condition carried forward from the Phase 1 record.
03
Processing and use
Processing
- Viscosity, vapour pressure, oxidation, contamination and additive depletion must be evaluated at service temperature.
Applications
- Coolants and heat-transfer loops
- Hydraulic or lubrication systems
- Process equipment
Selection considerations
- Use a current product datasheet for viscosity index, fire point, seal compatibility and approvals.
04
Standards and related materials
Standards and designations
No standard designation is listed.
Other names
- HLP 46
05
Sources and context
Sources
- Shell — Tellus hydraulic fluidsManufacturer reference
- U.S. Nuclear Regulatory Commission materials resourcesApplication reference
Confirm the applicable specification, product form and condition before using values for design or procurement.
Supply and sustainability
Widely available, but additive packages and approvals are product specific.
Leak prevention, service life, reclaimability, toxicity and disposal route dominate environmental performance.
Strategic context
Critical to heat transfer, equipment reliability, energy efficiency and manufacturing stability.