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Savant Labs
A World of Lubrication Understanding®

Hydraulic Fluid Testing

Examine oxidation and wear to contaminations from moisture, particles, and metals with hydraulic fluid testing. Compare performance properties of hydraulic fluids including testing for bio-based fluids.

ASTM International Method

ASTM D92    Flash Point, Cleveland Open Cup
ASTM D130  Copper Strip Corrosion
ASTM D445  Kinematic Viscosity, 40°C or 100°C
ASTM D445  Kinematic Viscosity, Below 0°C 
ASTM D445  Kinematic Viscosity, 0°C and Above
ASTM D664  Acid Number
ASTM D665  Rust Prevention 4 and 24 Hours
ASTM D892  Foaming, Sequence I - III
ASTM D943  Oxidation Characteristics (2.0 TAN or 1000 Hrs)
ASTM D1401 Emulsion Characteristics / Water Separability
ASTM D2070 Thermal Stability (Hydraulic Fluids)
ASTM D2112 Oxidation Stability of Inhibited Oil
ASTM D2272 Rotating Pressure Vessel Oxidation (RPVOT)
ASTM D2619 Hydrolytic Stability
ASTM D2670 Falex Pin & Vee Wear
ASTM D2983 Brookfield Viscosity, +20°C to -60°C
ASTM D3427 Air Release / Gas Bubble Separation
ASTM D4172 Four Ball Wear
ASTM D5185 Elemental Analysis by ICP
ASTM D5621 Sonic Shear, Hydraulic Fluids
ASTM D6304 Water by Karl Fischer
ASTM D7624 FTIR Analysis, In-Service Fluid, Nitration
ISO 4406 Particle Count