Castrol Hydraulic Oil 68

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Castrol Hydraulic Oil 68

The Castrol Hydraulic™ Oil range are based upon mineral oil enhanced with a stabilised zinc additive system.

Castrol Hydraulic is primarily for use in hydraulic equipment, but is suitable for other duties in which lubricants with good oxidation stability and lubrication performance are required. The quality of its base oils and additives permits the application of the Castrol Hydraulic range in lightly loaded gears and for use as circulating oil in applications where a rust and oxidation inhibited oil is required. 

Specification :-

Typical Characteristics
Name	Method	Units	Hydraulic Oil 68
ISO Viscosity Grade	-	-	68
Density @ 15°C / 59°F	ISO 12185 / ASTM D4052	kg/m³	880
Kinematic Viscosity @ 40°C / 104°F	ISO 3104 / ASTM D445	mm²/s	68
Kinematic Viscosity @ 100°C / 212°F	ISO 3104 / ASTM D445	mm²/s	8.77
Viscosity Index	ISO 2909 / ASTM D2270	-	>95
Pour Point	ISO 3016 / ASTM D97	°C/°F	_24/-11
Flash Point - open cup method	ISO 2592 / ASTM D92	°C/°F	226 / 439
Foam Sequence I - tendency / stability	ISO 6247 / ASTM D892	ml/ml	10/0
Water Separation @ 54°C / 129°F (40/37/ 3)	ISO 6614 / ASTM D1401	min	15
Air Release @ 50°C / 122°F	ISO 9120 / ASTM D3427	min	8
FZG Gear Scuffing test - A/8.3/90	ISO 14635-1	Failure Load Stage	12
Rust test - distilled water (24 hrs)	ISO 7120 / ASTM D665A		Pass
Rust test - synthetic seawater (24 hrs)	ISO 7120 / ASTM D665B		Pass