Hydraulic & Gear Oils

Standard Test Method for Hydrolytic Stability of Hydraulic Fluids (Beverage Bottle Method)

Standard Test Methods for Oxidation Characteristics of Extreme-Pressure Lubrication Oils

Standard Test Method for Insoluble Contamination of Hydraulic Fluids by Gravimetric Analysis

Standard Test Method for Indicating Wear Characteristics of Non-Petroleum and Petroleum Hydraulic Fluids in a Constant Volume Vane Pump

Standard Test Methods for Microscopical Sizing and Counting Particles from Aerospace Fluids on Membrane Filters

Hydraulic Fluid Power — Calibration of Automatic Particle Counters

How automatic particle counters for liquids are calibrated so cleanliness results are comparable between instruments and laboratories.

Hydraulic Fluid Power — Determination of Particulate Contamination (Light Extinction)

ISO method for determining hydraulic-fluid cleanliness by automatic particle counting using the light-extinction principle.

Lubricants, industrial oils and related products (class L) — Family H (Hydraulic systems) — Specifications for hydraulic fluids in categories HFAE, HFAS, HFB, HFC, HFDR and HFDU

Petroleum and related products — Determination of wick flame persistence of fire-resistant fluids

Petroleum and related products — Determination of spray ignition characteristics of fire-resistant fluids — Part 1: Spray flame persistence — Hollow-cone nozzle method

Petroleum and related products — Determination of spray ignition characteristics of fire-resistant fluids — Part 2: Spray test — Stabilized flame heat release method

Lubricants — Family H (Hydraulic) — Specifications for HETG, HEPG, HEES, HEPR

Petroleum and related products — Determination of the flammability characteristics of fluids in contact with hot surfaces — Manifold ignition test

Hydraulic fluid power — Particulate contamination analysis — Extraction of fluid samples from lines of an operating system

How to draw a representative fluid sample from an operating hydraulic system so the particle count reflects the fluid actually in service.

Petroleum and related products — Determination of the ageing behaviour of inhibited oils and fluids using the TOST test — Part 3: Anhydrous procedure for synthetic hydraulic fluids

Hydraulic Fluid Power — Method for Coding Level of Contamination by Solid Particles

Three-number cleanliness code at 4 µm(c) / 6 µm(c) / 14 µm(c) from automatic particle counter or PCM data. Implemented in the cleanliness-code classifier.

Hydraulic Fluid Power — Determination of Particulate Contamination by Optical Microscope

ISO method for determining particulate contamination in a hydraulic fluid sample by counting particles on a membrane filter under an optical microscope.

Lubricants — Classification — Part 4: Family H (Hydraulic Systems)