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Marine Grease®

Submarine hanger areas have actuated parts, doors, hatches, etc., that must be adequately lubricated to function correctly and extend service life. Dry deck shelter hatches need lubrication on all internal gears and locking ring threads. Texas Research Institute Austin, Inc. (TRI Austin) has developed an innovative grease approach utilizing fluorohydrocarbon base oil in conjunction with a thixotropic filler and various anti-corrosion additives.

This diver-safe optimized formulation has performed very well in both field and lab testing. It is resistant to water washout, prevents corrosion both actively and passively, and has passed the NAVSEA P-9290 certification for off-gassing of volatile compounds. The new grease can be applied by hand, grease gun, or via grease lines. Reduced costs will be realized with the new grease through improved durability, reduced need for component repair, and minimal application time.

Material Specification and Qualification Testing

Marine Grease® provides:

• Resistant to washout
• Prevents corrosion
• Non off-gassing
• Improved durability
• Reduces repair costs
• Reduced application times

ASTM-D-1403Small Scale Cone Penetration¼ Scale Penetration, Unworked and WorkedUnworked – 244
Worked – 254
ASTM-D-2595Evaporation Loss @ 22 hoursMeasurement of permanence0.70%
ASTM-D-942Pressure Vessel Oxidation
@ 100 hours
Measure the net change in pressure resulting from consumption of oxygen by oxidation and gain in pressure due to formation of volatile oxidation by-products 2.0 psi drop
ASTM-D-2266Four Ball Wear
of Grease
Used to determine the relative wear preventing properties of greases under the test conditions 0.56 mm
ASTM-D-2596Load Wear Index
of Grease
Determination of the load-carrying properties of lubricating greases95.71
ASTM-D-1478Low Temperature TorqueDetermination of the starting and running torques at low temperatures (below -20°C (0°F))Starting Torque 9024 g-cm
1 Hr Running Torque 732 g-cm
FTM-5309Copper Corrosion
of Grease
Detection of Copper Corrosion from Petroleum Products by the Copper Strip Tarnish TestExposed 3B Immersed 4A
FTM-321Oil SeparationWire Cone Method 4.21%
FTM-5415Resistance of Grease to Aqueous Solutions1 week exposed to water and water/ethanol 0% disintegration
FTM-3005Dirt Count of GreasesThe number of foreign particles between 25 and 75 microns per milliliter of sample, and particles greater than 75 microns per milliliter of sample25 - 74 µ – 38/cc +75 µ – 0/cc
ASTM G72Autogenous Ignition Temperature in Oxygen-Enriched Environment To establish the average autogenous ignition temperature (AIT) in a 99.5% mol O2 environment.247oC +/- 4oC
ASTM D4809Heat of Combustion of Liquid Hydrocarbon Fuels by Bomb CalorimeterTo establish the average heat of combustion
in a sealed enironment with an ignition source.
2,003 +/- 9cal/g
ASTM D2515Test Material with Liquid Oxygen Impact Sensativity Threshold (Pass-Fail Techniques)To establish the the liquid oxygen (LOX) impact senativity to material degradation over 20 test runs.Passed all 20 test runs with no LOX reactivity
ASTM G74Test Material for Ignition Sensativity of Nonmetallic Materials and Components by Gaseous Fluid ImpactTo establish the material’s 50% reaction pressure for gaseous fluid impact sensativity (GFIS) over a varying range of pressures (290psig-1450psig). 50% reaction pressure is 635 psig
ASTM G125Test Material for Measuring Liquid and Solid Material Fire Limits in Gaseous OxidantsTo establish the minimum percent O2 index (OI) threshold for the material to ignite with a secondary source and burn.No Burn Threshold
is 37% O2

To learn if Marine Grease® can help you with your application, contact:

Vince Newton
Dir. Sales and Marketing

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