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美孚Mobil Aero HF HFA 航空液壓油
美孚Mobil Aero HFA 航空液壓油
Mobil Aero HFA和HF適用于需要使用碳氫化合物液壓油的飛機系統(tǒng)。它們是低粘度產(chǎn)品，高VI（粘度指數(shù)）流體，具有優(yōu)異的低溫性能，良好的抗磨損性能和良好的化學穩(wěn)定性。Mobil Aero HFA和HF由礦物基礎油原料組成，含有剪切穩(wěn)定的VI改進劑。
特點和好處
美孚航空HF系列航空液壓油專為滿足商用和軍用飛機應用的苛刻要求而設計。這些高品質配方具有卓越性能的悠久歷史，可在各種操作條件下提供長期無故障的服務。
產(chǎn)品功能和潛在優(yōu)勢包括：
特征 | 優(yōu)勢和潛在的好處 |
高粘度指數(shù)（VI） | 允許設備在很寬的溫度范圍內(nèi)運行 |
優(yōu)異的低溫性能 | 在低環(huán)境條件下提供高性能操作 |
良好的化學和氧化穩(wěn)定性 | 抵抗酸性成分，清漆和沉積物的形成 |
滿足美國規(guī)范的“超級清潔”要求。MIL-PRF-5606（航空HF） | 確保泵，伺服閥和其他液壓系統(tǒng)組件的可靠性能 |
應用
Mobil Aero HFA是一種優(yōu)質液體，符合美國軍用規(guī)格MIL-H-5606A（現(xiàn)已過時）的質量要求。它具有非常高的VI，適用于溫度低至-54oC（-65oF）的溫度。雖然美國軍方不再使用這種優(yōu)質液體，但它仍用于一些較舊的小型私人和商用飛機。它還可用于需要在極低溫度下具有良好流動性的工業(yè)和商業(yè)設備，其中Mobil Aero HFA可在各種操作條件下提供長期無故障的服務。
Mobil Aero HF是一種優(yōu)質液體，符合最新版美國軍用規(guī)格MIL-PRF-5606的要求。它具有與Mobil Aero HFA非常相似的物理特性，并且還滿足現(xiàn)代飛機液壓系統(tǒng)所要求的“超潔凈”要求。它主要用于軍用飛機，但也用作小型私人和商用飛機的液壓油，以及大型商用飛機起落架中的支撐液。它是北約編號H-515液體。
規(guī)格和認證
埃克森美孚推薦該產(chǎn)品用于以下應用： | HF | HFA |
MIL-H-5606A | X |
本產(chǎn)品符合或超過以下要求： | HF | HFA |
MIL-PRF-5606J | X | |
北約H-515 | X |
屬性和規(guī)格
屬性 | HF | HFA |
API Gravity，°API，ASTM D287 | 29 | 三十 |
酸值，mgKOH / g，ASTM D664 | 0.03（最大0.2） | |
鋇，mg / kg，ASTM D5185 | <1（最多10個） | |
基礎油比重15.6℃/ 15.6℃，ASTM D287 | 0.872 | |
散裝模量，40℃/ 4000psi的等溫正割，psi，ASTM D6793 | 200,000分鐘 | 200,000分鐘 |
顏色，視覺 | 紅色 | 紅色 |
銅帶腐蝕，在135℃下72小時，ASTM D130 | 1B（最大2E） | 1B（最大2E） |
腐蝕和氧化穩(wěn)定性，135℃下168小時，額定值，ASTM D4636 | 通過 | 通過 |
密度@ 60 F，lb / gal，計算值 | 7.26 | 7.26 |
蒸發(fā)罐。損耗，71℃時6H，質量％，ASTM D972 | 12（最多20個） | |
閃點，克利夫蘭開杯，°C，ASTM D92 | 107 | 107（93分鐘） |
閃點，Pensky-Martens閉杯，°C，ASTM D93 | 96（82分鐘） | 92 |
泡沫，序列I，穩(wěn)定性，ml，ASTM D892 | 0 | |
泡沫，序列I，傾向，ml，ASTM D892 | 36（最多65） | |
四球磨損試驗，疤痕直徑，mm，ASTM D4172 | 0.6（最大1.0） | |
四球磨損試驗，疤痕直徑，40千克，1200轉/分鐘，1小時，75℃，毫米，ASTM D4172 | 0.6（最大1.0） | |
運動粘度-40 F，cSt，ASTM D445 | 450（最多500） | |
運動粘度130 F，cSt，ASTM D445 | 10.4（10.0分鐘） | |
運動粘度@ -40℃，mm2 / s，ASTM D445 | 450（最多600） | |
運動粘度@ -54 C，mm2 / s，ASTM D445 | 2000（最多2500） | 1900 |
運動粘度@ 100 C，mm2 / s，ASTM D445 | 5.2（4.9分鐘） | 5.2 |
運動粘度@ 40 C，mm2 / s，ASTM D445 | 14.0（13.2分鐘） | 14.0 |
低溫穩(wěn)定性，72小時@ - 54℃，F(xiàn)TM 3459 | 通過 | |
低溫穩(wěn)定性，72小時@ - 54℃，F(xiàn)TM 791.3458 | 通過 | |
顆粒污染，mg / 100ml，ASTM D4898 | 0.2（最大0.3） | |
傾點，°C，ASTM D97 | -62（-60 max） | -64（-60 max） |
剪切穩(wěn)定性，％KV損失，ASTM D2603 | 最多15 | |
比重為60 F / 60 F，ASTM D1429 | 0.872 | |
粘度指數(shù)，ASTM D2270 | 370 | 370 |
含水量，mg / kg，ASTM D6304 | 50（最多100） | |
水，Karl-Fischer，ppm，ASTM D1744 | 50（最多100） |
健康和安全
有關該產(chǎn)品的健康和安全建議，請參見材料安全數(shù)據(jù)表（MSDS）
Mobil Aero HFA and HF are formulated for aircraft systems where use of hydrocarbon-based hydraulic fluids is required. They are low viscosity products, high VI (viscosity index) fluid with excellent low temperature properties, good anti-wear performance, and good chemical stability. Mobil Aero HFA and HF are composed of mineral base oil stock and contain shear-stable VI improvers.
Features and Benefits
Mobil Aero HF Series aviation hydraulic fluids are designed to meet the demanding requirements of commercial and military aircraft applications. These high quality formulations have a long history of excellent performance and provide long, trouble-free service over a wide range of operating conditions.
Product features and potential benefits include:
Features | Advantages and Potential Benefits |
High Viscosity Index (VI) | Allows equipment operation over a wide range of temperatures |
Excellent low temperature properties | Provides high performance operation in low ambient conditions |
Good chemical and oxidation stability | Resists the formation of acidic constituents, varnishes, and deposits |
Meets "super clean" requirements of U.S. Spec. MIL-PRF-5606 (Aero HF) | Ensures reliable performance of pumps, servo-valves and other hydraulic system components |
Applications
Mobil Aero HFA is a premium quality fluid that meets the quality requirements of the U.S. Military specification MIL-H-5606A (now obsolete). It has a very high VI and is suitable for use at temperatures down to -54 oC (-65 oF). While this quality fluid is no longer used by the U.S. Military, it is still used in some older, small private, and commercial aircraft. It is also used in industrial and commercial equipment requiring good fluidity at very low temperatures, where Mobil Aero HFA provides long, trouble-free service over a wide range of operating conditions.
Mobil Aero HF is a premium quality fluid that is approved against the most current version of U.S. Military specification MIL-PRF-5606. It has physical properties very similar to Mobil Aero HFA, and also meets "super-clean" requirements required by modern aircraft hydraulic systems. It is intended primarily for military aircraft, but it is also used as a hydraulic fluid for small private and commercial aircraft, and as a strut fluid in landing gear of large commercial aircraft. It is a NATO Code Number H-515 fluid.
Specifications and Approvals
This product is recommended by ExxonMobil for use in applications requiring: | HF | HFA |
Mil-H-5606A | X |
This product meets or exceeds the requirements of: | HF | HFA |
MIL-PRF-5606J | X | |
NATO H-515 | X |
Properties and Specifications
Property | HF | HFA |
API Gravity, °API, ASTM D287 | 29 | 30 |
Acid Number, mgKOH/g, ASTM D664 | 0.03 (0.2 max) | |
Barium, mg/kg, ASTM D5185 | <1 (10 max) | |
Base Oil Specific Gravity 15.6 C/15.6 C, ASTM D287 | 0.872 | |
Bulk Modulus, Isothermal secant at 40 C/4000 psi, psi, ASTM D6793 | 200,000 min | 200,000 min |
Color, Visual | Red | Red |
Copper Strip Corrosion, 72 hrs at 135 C, ASTM D130 | 1B (2E max) | 1B (2E max) |
Corrosion and Oxidation Stability, 168 hours at 135 C, Rating, ASTM D4636 | PASS | PASS |
Density @ 60 F, lb/gal, CALCULATED | 7.26 | 7.26 |
Evapor. Loss, 6H at 71C, mass %, ASTM D972 | 12 (20 max) | |
Flash Point, Cleveland Open Cup, °C, ASTM D92 | 107 | 107 (93 min) |
Flash Point, Pensky-Martens Closed Cup, °C, ASTM D93 | 96 (82 min) | 92 |
Foam, Sequence I, Stability, ml, ASTM D892 | 0 | |
Foam, Sequence I, Tendency, ml, ASTM D892 | 36 (65 max) | |
Four-Ball Wear Test, Scar Diameter, mm, ASTM D4172 | 0.6 (1.0 max) | |
Four-Ball Wear Test, Scar Diameter, 40 kg, 1200 rpm, 1 h, 75 C, mm, ASTM D4172 | 0.6 (1.0 max) | |
Kinematic Viscosity -40 F, cSt, ASTM D445 | 450 (500 max) | |
Kinematic Viscosity 130 F, cSt, ASTM D445 | 10.4 (10.0 min) | |
Kinematic Viscosity @ -40 C, mm2/s, ASTM D445 | 450 (600 max) | |
Kinematic Viscosity @ -54 C, mm2/s, ASTM D445 | 2000 (2500 max) | 1900 |
Kinematic Viscosity @ 100 C, mm2/s, ASTM D445 | 5.2 (4.9 min) | 5.2 |
Kinematic Viscosity @ 40 C, mm2/s, ASTM D445 | 14.0 (13.2 min) | 14.0 |
Low Temperature Stability, 72 hrs @ - 54 C, FTM 3459 | PASS | |
Low Temperature Stability, 72 hrs @ - 54 C, FTM 791.3458 | PASS | |
Particulate Contamination, mg/100ml, ASTM D4898 | 0.2 (0.3 max) | |
Pour Point, °C, ASTM D97 | -62 (-60 max) | -64 (-60 max) |
Shear Stability, %KV loss, ASTM D2603 | 15 max | |
Specific Gravity 60 F / 60 F, ASTM D1429 | 0.872 | |
Viscosity Index, ASTM D2270 | 370 | 370 |
Water Content, mg/kg, ASTM D6304 | 50 (100 max) | |
Water, Karl-Fischer, ppm, ASTM D1744 | 50 (100 max) |
Health and Safety
Health and Safety recommendations for this product can be found on the Material Safety Data Sheet (MSDS)
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