Hydraulic Fluid Testing
We perform quality testing on all types of hydraulic fluids, including fire-resistant aviation fluids, fire-resistant industrial hydraulic fluids, and general purpose hydraulic fluids used in aviation, industrial applications and heavy equipment. Our customers include hydraulic fluid and lubricant manufacturers, equipment manufacturers, the US military, and heavy equipment users.
Hydraulic fluid producers and hydraulic system manufacturers are constantly testing the limits of hydraulic fluid performance. We perform an extensive range of tests on new fluids in support of R&D and manufacturing quality programs. We test hydraulic fluid properties including flammability (especially important in aviation applications), viscosity, wear (minimizing metal breakdown from metal-to-metal contact), foaming, corrosion prevention, oxidation and thermal stability, and rubber seal compatibility. (Learn more about our specialized rubber compatibility testing.)
Contaminated or poor-quality hydraulic fluid can cause unnecessary wear and tear and even damage hydraulic systems. Contamination can be caused by particles such as dirt and by water. Damage may include jamming, wear on parts, and decreased performance. Testing hydraulic fluid can pinpoint contamination. Testing hydraulic fluid regularly as part of a quality control program can also detect these problems before they cause damage.
Choosing the correct hydraulic fluid can make a big difference for your equipment; this information is usually provided in user manuals or equipment specs. Listed below are some of the specifications and tests we can perform on hydraulic fluids. For additional information about the specifications, click on the specification number. If you have hydraulic fluid you want to test but don’t know what specification is most applicable, contact us today to set up a customized slate of testing.
- A-A-59354 - Hydraulic Fluid Specification
- ASTM D6158 - Mineral Hydraulic Oil Specification
- ASTM D7044 - Hydraulic Fluid Specifcation - Biodegradable Fire Resistant Hydraulic Fluids
- ASTM D7752 - Hydraulic Fluid Compatibility Test
- ASTM D8029 - Low Auquatic Toxicity Hydraulic Fluid Specification
- Boeing Material Specification (BMS) 3-11
- ISO 9940 - Hydraulic Fluid Specification - Aerospace Series - Fire Resistant Phosphate Ester-base Hydraulic Fluid
- MIL-DTL-17111 - Hydraulic Transmission Fluid Specification
- MIL-DTL-32353 - Hydraulic & Lubricating Oil Specification
- MIL-H-19457 - Fire-Resistant Hydraulic Fluid Specification
- MIL-H-22072 - Catapult Hydraulic Fluid Specification
- MIL-H-46001 - Machine Tool Hydraulic Fluid Specification
- MIL-H-5606 - Hydraulic Fluid Specification - Petroleum Base Hydraulic Fluid: Aircraft, Missile and Ordnance
- MIL-H-81019 - Hydraulic Fluid Specification
- MIL-PRF-17672 - Hydraulic Fluid Specification - Inhibited Petroleum Hydraulic Fluid
- MIL-PRF-27601 - Hydraulic Fluid Specification
- MIL-PRF-32073 - Biodegradable Hydraulic Fluid Specification
- MIL-PRF-46170 - Hydraulic Fluid Specification - Synthetic Hydrocarbon Base Fire Resistant Rust Inhibited Hydraulic Fluid
- MIL-PRF-5606 - Hydraulic Fluid Specification - Aircraft, Missile, and Ordnance Petroleum Base Hydraulic Fluid
- MIL-PRF-6083 - Hydraulic Fluid Specification - Petroleum Base Hydraulic Fluid for Preservation and Operation
- MIL-PRF-83282 - Hydraulic Fluid Specification - Synthetic Hydrocarbon Base Fire Resistant Hydraulic Fluid
- MIL-PRF-87257 - Hydraulic Fluid Specification - Aircraft and Missile Low Temperature Synthetic Hydrocarbon Base Fire Resistant Hydraulic Fluid
- MIL-S-81087 - Silicone Fluid Specification