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918 Aviation Gear Oil

Type: Gear Oil

Implementation Standards: GJB 8448-2015

+ 8 6 1 8 6 - 2 4 9 3 - 6 7 0 8

Use: Helicopter Transmission System

Technical indicators

Pour point, ℃

-43°C
Flash point °C

230°C

Packing Specifications

4L/barrel
17L/barrel
200L/barrel

Detailed description

Overview:

AVIC Hangte 918 Aviation Gear Oil is primarily used for lubricating helicopter intermediate reducers, tail reducers, tail drive shafts, fan drive shafts, vertical and horizontal joints, and other components. It offers excellent viscosity-temperature performance, low-temperature fluidity, rust resistance, anti-foaming properties, and extreme pressure resistance.

Performance characteristics:

◎ Excellent low-temperature performance, with good low-temperature fluidity and viscosity-temperature properties

◎ Excellent anti-wear properties, containing extreme pressure additives to effectively reduce gear wear

◎ Excellent wide operating temperature range, suitable for use in areas with large day-night and winter-summer temperature swings

Recommended:

Lubricates helicopter transmission systems, replacing No. 18 hyperbolic gear oil.

Execution standard: GJB 8448-2015

Technical Parameters：

Item	Quality indicators	Test results
Appearance	Transparent liquid	Passed
Kinematic viscosity (100°C), mm²/s	19.0-23.5	21.2
Viscosity index	Not less than 110	136
Pour point, °C	Not higher than -32	-43
Temperature at which apparent viscosity reaches 150 Pa·s, °C	Not higher than -30	-35
Flash point (open mouth), °C	Not less than 180	230
Foaming, mL/mL 24°C 93.5°C Post-24°C	Not greater than 20/0 Not greater than 50/0 Not greater than 20/0	10/0 20/0 10/0
Copper strip corrosion (100°C, 3h), Grade	Not greater than 2	1
Mechanical impurities, %	Not greater than 0.05	0.003
Water content	Not greater than a trace	Traces