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Simmons Synthetics
Hydraulic Lubricants

ALH-22 Synthetic Hydraulic Oil

ALH-22 ashless synthetic hydraulic oil is formulated from the highest quality synthetic hydrocarbons to meet the requirements of all types of hydraulic systems. ALH 22 hydraulic oil is rust and oxidation inhibited and protects against the formation of sludge. It is compatible with seal materials normally used in hydraulic systems.

ALH-22 synthetic hydraulic oil was specifically developed for low temperature hydraulic applications and is approved by Bucyrus International, Inc. as a hydraulic oil in their (Bucyrus-Erie) 39R, 49R, and 59R Blast Hole Drills.

ALH-22 synthetic hydraulic oil is primarily recommended for extended fluid and component life in extreme cold temperature applications. Included in these recommendations are applications in mobile and stationary hydraulic systems utilizing piston, vane and gear pumps operating over a wide range of pressures and temperatures.

Physical Properties

 

Products

ALH-22

ISO Grade

22

Specific Gravity

0.821

Viscosity
@ 40°C, cSt
@ 100°C, cSt
@ -40°C, cSt

20.8

4.48

3298

Brookfield
Viscosity @ -40°C, cP

3340

Viscosity Index

130

Flash Point, °F (ºC)

425 (218)

Fire Point, °F (ºC)

475 (246)

Pour Point, °F (ºC)

-85 (-65)

Demulsibility

40/40/0 (5 mins.)

Hydrolytic Stability, 200°F, 48 hrs.

Cu Wt. Loss, mg/cm2               0.1           
Viscosity Change, % 1.31
TAN Change, mg KOH -0.08
TAN H2O, mg KOH 0.43
Insolubles, % 0.00