Mobil Turbo 319A-2
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详细内容
Mobil Turbo 319A-2 is a fully synthetic lubricant developed to meet the performance requirements of Russian gas turbine aircraft engines which operate on mineral-oil-based lubricants. Formulated from a synthetic hydrocarbon combination of polyalphaolefin (PAO) and hindered ester based stock, Mobil Turbo 319A-2 is fortified with a unique chemical additive system. The resulting product has far superior thermal and oxidation stability than mineral-oil-based lubricants. The ability of Mobil Turbo 319A-2 to resist deterioration and deposit formation allows the potential for extended oil drain intervals and less frequent maintenance.
The closely controlled viscosity of Mobil Turbo 319A-2 at -51º C, along with a -60ºC pour point, ensure good low-temperature fluidity, permitting engine starting and lubrication at low temperatures. Mobil Turbo 319A-2 exhibits excellent bulk oil stability at temperatures up to 200º C (392º F). The evaporation rate of Mobil Turbo 319A-2 at high temperatures is significantly lower than mineral-oil-based products, and helps minimize oil consumption. The lubricant has excellent resistance to foaming.
Mobil Turbo 319A-2 is compatible with existing seal materials, including F Rubber (Viton A), H Rubber (Buna N), and silicone, as well as 11 metals used in gas turbine construction.
The closely controlled viscosity of Mobil Turbo 319A-2 at -51º C, along with a -60ºC pour point, ensure good low-temperature fluidity, permitting engine starting and lubrication at low temperatures. Mobil Turbo 319A-2 exhibits excellent bulk oil stability at temperatures up to 200º C (392º F). The evaporation rate of Mobil Turbo 319A-2 at high temperatures is significantly lower than mineral-oil-based products, and helps minimize oil consumption. The lubricant has excellent resistance to foaming.
Mobil Turbo 319A-2 is compatible with existing seal materials, including F Rubber (Viton A), H Rubber (Buna N), and silicone, as well as 11 metals used in gas turbine construction.
Features and Benefits
Mobil Turbo 319A-2 offers the following advantages and benefits:
· Low evaporation loss and oil consumption
· Reduced sludge and carbon deposits
· Improved bulk oil oxidation stability and extended oil drain intervals
· Compatible with existing seal materials
· Reduced engine maintenance, including potential for extended drain intervals
Applications
Mobil Turbo 319A-2 is recommended for aircraft gas turbine engines that normally operate on mineral-oil-based lubricants, as well as engines approved to operate on oils meeting the specifications listed below.
Mobil Turbo 319A-2 is approved against the following specification of the Russian Central Institute of Aeronatutical Motors (CIAM):
Mobil Turbo 319A-2 is approved against the following specification of the Russian Central Institute of Aeronatutical Motors (CIAM):
· IMP-10
· MS, 8P, MS-8RK
· 36/1 Ku-A
· VNII NP 50-1-4f and -4u
· B3V and LZ-240
· Mobil Turbo 319A-2 also meets U.S. Military Specification MIL-L-6081C, as well as the essential performance requirements of U.S. MIL-L-7808K, Grade 3.
Typical Characteristics
Mobil Turbo 319A-2 | |
Physical properties are listed in the table below. Values shown are typical and may vary slightly. | |
Viscosity | |
cSt at 40º C | 16.2 |
cSt at 100º C | 3.70 |
cSt at -40º C | 2917 |
cSt at -51º C | 12545 |
Flash point, º C (ºF) | 234 (453.2) |
Pour point, º C (ºF) | -60 (-76) |
Specific Gravity | 0.852 |
TAN | 0.03 |
Evaporation Loss, % | 0.999 |
5 hr at 175 ºC (347ºF) | 2.4 |
Foam, ml | |
Sequence 1, 24ºC (75ºF) | 30 |
Foam Stability, after 1 min settling, ml | 0 |
Rubber Swell, % | |
NBR-H, 168 hr at 70ºC (158ºF) | 11.9 |
FKM, 72 hr at 175ºC (347ºF) | 3.0 |