The
most popular hydraulic liquid (hydraulic oil) is mineral oil-based, with
suitable additives added as per the application. The requirements for this
hydraulic oil are set out in ISO 6743-4 with the designations HL, HM, and HV.
The German designations HL, HLP, and HVLP are used universally for hydraulic
oils, in accordance with DIN 51524.
Classification
Properties
H
and HH
Minera
…