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ROYCO® 899 Corrosion Inhibited Synthetic Gas Turbine Engine Oil

ROYCO® 899 is an advanced synthetic turbine engine oil designed for use in aircraft and stationary industrial gas turbine engines operating under severe conditions. This product is a 5 centistoke lubricant using state of the art additive technology and hindered polyol ester base oils resulting in a technologically superior gas turbine lubricant that combines excellent thermal-oxidative and hydrolytic stability, antiwear protection, and above all, rust and corrosion inhibition.

ROYCO® 899 is especially recommended in critical gas turbine engine applications requiring rust and corrosion protection due to exposure to salt laden air, ambient tropical environments, or other industrial applications where exposure to chemical corrosives may be unavoidable. ROYCO® 899 is also recommended in certain transmission and gearbox applications where a MIL-PRF-23699 lubricant is recommended.

Features

Rust and corrosion inhibited

Low coking

Low phosphorous for increased catalyst life

Improved thermal-oxidative stability

Improved hydrolytic stability

Wide operating temperature range

Specifications

Properties	Royco 899
Viscosity, cSt @ 100�C	5.00
cSt @ 40�C	25.8
cSt @ -40�C	11,400
Viscosity Stability, 72 hrs @ -40�C, % Chg	+1
Flash Point, �C	263
Pour Point, �C	-56
Total Acid No., mg KOH/g	0.3
Evaporation Loss, %, 6-1/2 hrs @ 400�F	4
Sediment Through 1.2 Micron Filter, mg/l	1
Total Ash, mg/l	0.1
Shear Stability, %	0.2
Density, lbs/gal @ 15.5�C	8.28
Bearing Corrosion Test	Pass
Foaming Test -
Volume after 5 minutes blowing/Volume after 1 minute settling, ml
Sequence I	10/0
Sequence II	5/0
Sequence III	10/0
AMS 3217/4 Rubber Swell,72 hrs@400�F,%	+15
AMS 3217/l Rubber Swell,72 hrs@ 58�F,%	+14
Thermal Stability, 96 hrs @ 274�C (525�F)
Viscosity Change @ 100�F, %	+0.8
Total Acid No Change, mg KOH/g	+3.1
Wt of Metal Change, mg/cm	-0.1

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ROYCO® 899 Corrosion Inhibited Synthetic Gas Turbine Engine Oil

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