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Home / Products / Great Wall Special No. 3 Precision Instrument Oil

Great Wall Special No. 3 Precision Instrument Oil

Type: Precision Instrument Oil

Implementation Standards: SH/T 0454—92（1998）

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

Use: Precision instruments, aviation instrument bearings, micromotor bearings, correction mechanism gears

Great Wall Special No. 3, 4, 5, 14, and 16 precision instrument oils are refined from silicone oil and low-pour point synthetic oil. They are divided into five grades, 3, 4, 5, 14, and 16, based on their intended use.

Technical indicators

Freezing point °C

-65°C
Flash point °C

194°C

Packing Specifications

250g

Detailed description

Overview:

Performance characteristics:

◎ Excellent high and low temperature performance, suitable for use in a wide temperature range of -60°C to 120°C

◎ Good thermal stability, low evaporation loss

◎ Excellent shear resistance, suitable for instruments and meters subjected to high shear conditions

◎ Excellent rust prevention

Recommended:

Suitable for lubrication of precision instruments, aviation instrument bearings, micromotor bearings, correction mechanism gears and friction components, and impregnation of sealing gaskets.

Execution standard:

SH/T 0454-92 (1998)

Technical Parameters：

Items	Special No. 3, 4, 5, 14, and 16 precision instrument oils
Items	No. 3	No. 4	No. 5	No. 14	No. 16
Density (20°C), g/cm²	0.8974	0.9238	0.9402	0.9198	0.9295
Kinematic viscosity (50°C), mm²/s	11.92	13.6	19.38	25.31	22.12
Flash point (open), °C	194	186	187	1.92	1.90
Pour point, °C	<-65	<-70	<-70	<-70	<-70
Acid value, mgKOH/g	0.01	0.03	0.02	0.02	0.02