scope:

This recommended practice provides a general educational publication covering the following aspects of each of the general types of environmentally acceptable fluids used in hydraulic fluid power systems:

a) Product description;

b) Biodegradability and toxicity; c)Operating temperatures;

d) Foaming and aeration;

e)Corrosive protective coatings;

f) Wear resistant characteristics;

g) Viscosity control;

h) Fluid stability;

i) Safety in exposure to fluid;

j) Spills;

k) Contamination;

l) Effects on strainers and filter;

m) Piping and accessory precautions;

n) Changing fluids in a system;

 This recommended practice:

a) Provides a composite reference of pertinent general data on enviromentaly acceptable fluids;

b) Improves the operation and increases the reliability of hydraulic systems that use environmentlally acceptable fluids;

c) Improves the operation and increases the reliability of hydraulic systems that use environmentally acceptable fluids;

d) Establishes fluid maintence guidelines for environmentally acceptable fluids; e)Provides basisc procedures for intial filling of changing types of environmentally acceptable fluids considered for use in hydraulic systems;

f) Points out general properties and characteristics of the types of environmentally acceptable fluids considered for use in hydraulic systmes.