Description
BEACON 325 is a high performance grease specifically formulated for the lubrication of precision equipment operating at moderate and low temperatures. It is made with a synthetic base oil of extremely low viscosity and low volatility plus a lithium soap. BEACON 325 is characterised by good mechanical stability, a high degree of resistance to water and extremely high oxidation stability. As its base oil viscosity is low and the viscosity index of the fluid is high, the grease has excellent low temperature properties including low starting and running torque at very cold temperatures and good pumpability.
Features and Benefits
Mobil 1 Synthetic ATF outperforms conventional ATFs and helps to provide outstanding resistance to oil breakdown and deposits. The inherently high viscosity index and stability of Mobil 1 Synthetic ATF helps to protect against thermal breakdown at high operating temperatures, while still providing outstanding performance at ambient temperatures as low as -54º C. Further, it helps to improve overall transmission durability and cleanliness. Key features and potential benefits include:
| Features | Advantages and Potential Benefits |
| Enhanced, long-term frictional properties | Helps to improve and extend transmission efficiency, smooth shifting performance and fuel economy |
| Exceptional thermal and oxidation stability | Keeps transmissions clean to help provide outstanding performance even under severe driving conditions |
| Outstanding film-strength and anti-wear properties | Significant wear reduction which can contribute to long transmission life |
| Excellent low-temperature fluidity | Helps to provide prompt and reliable lubrication at ambient temperatures down to -54º C |
| Exceptional shear stability | Viscosity retention even under some of the severest heavy duty, high temperature operating conditions |
| Compatible with mineral ATF fluids and all common seal materials | Reduced concern in top-off emergencies and excellent leakage control |
Applications
• Mobil 1 Synthetic ATF is a multi-vehicle formula recommended for use in modern high performance automobiles, SUV’s, SUT’s, vans and other light trucks
• Recommended by ExxonMobil for use in applications requiring Dexron III , Ford Mercon and Mercon V performance levels
• Recommended by ExxonMobil for use in applications specifying the off-highway power transmission requirements of Allison C-4
Specifications and Approvals
| This product is recommended for use in applications requiring: |
| Allison C-4 |
| Ford MERCON |
| GM DEXRON |
| GM DEXRON II |
| GM DEXRON IID |
| GM DEXRON IIE |
| GM DEXRON IIiG |
| GM DEXRON IIIH |
| VOLVO 97340 |
| This product meets or exceeds the requirements of: |
| Ford MERCON V |
| JASO 1-A |
Properties and Specifications
BEACON 325 is a member of the Mobil brand of lubricating products recognized for their high quality and reliability, as well as performance capabilities. As with other Mobil greases, this product is manufactured to the strictest quality standards. A key feature of BEACON 325 is its use of a synthetic fluid to provide optimum performance for low temperature precision applications. BEACON 325 offers the following quality features:
• Special synthetic base oil provides excellent low-torque and low temperature properties
• Excellent oxidation stability for extended grease life needed for filled for life applications
• Very good water resistance ensures proper lubrication even in the presence of incidental water contamination
• Low volatility base oil permits operation at moderate to high temperature without fluid evaporation
Applications
Application notes: BEACON 325 is formulated with an organic ester synthetic oil. This synthetic oil may cause a softening or swelling of certain plastics, elastomers, paints, or varnishes. How serious the softening or swelling tendency may be depends also on the temperature and the period of contact. Contact your local ExxonMobil lubricants representative for further information on materials compatibility.
BEACON 325 provides excellent service in a wide variety of small bearings and lightly loaded gears that operate over a wide temperature range, including such applications as:
• Naval, marine, and aircraft instruments and control mechanisms
• Geared limit switches in Limitorque valve actuators
• Commercial and military electronic equipment
• Sealed for life motors, generators, and similar equipment in automotive, aviation and industrial applications
Specifications and Approvals
| This product meets or exceeds the requirements of: |
| DIN 51825:2004-06 – K E 1-2 G -50 |
Properties and Specifications
| Property | |
| Grade | NLGI 1.5 |
| Thickener Type | Lithium |
| Base Oil Viscosity of Greases @ 40 C, mm2/s, AMS 1697 | 12 |
| Color, Visual | Tan |
| Corrosion Preventive Properties, Rating, ASTM D1743 | PASS |
| Dropping Point, °C, ASTM D2265 | 180 |
| Oil Sep. 30H at 100C, mass %, FTMS 791-321.3 | 4 |
| Penetration, 100 Kx, FH 25C, 0.1 mm, D217 mod | 285 |
| Thickener, wt%, AMS 1699 | Lithium |
| Viscosity, Apparent @ 20 s-1, -40 C, P, ASTM D1092(mod) | 7000 |
| Viscosity, Apparent @ 50 s-1, -40 C, P, ASTM D1092(mod) | 3500 |
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Health and safety
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