Sinopec Special No. 4 Precision Instrument Oil 250 g
Packaging specifications:250 g
Order Hotline:+86 18624936708
Suitable for use in a wide temperature range :-60°C to 120°C.
Sinopec Special No. 3, 4, 5, 14, and 16 Precision Instrument Oils
Overview:
Sinopec 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.
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 and low evaporation loss.
◎Excellent shear resistance, suitable for instruments and meters subjected to high shear conditions.
◎ Excellent rust prevention.
Technical Specifications:
This product complies with the following specifications:
◎ SH/T 0454-92 (1998)
Applications:
◎ Suitable for lubrication of precision instruments, aviation instrument bearings, micromotor bearings, gears and friction components in correction mechanisms, and impregnation of sealing gaskets.
Typical Data:
| Item | Special 3, 4, 5, 14, 16 Precision Instrument Oil | ||||
| Special 3 | Special 4 | Special 5 | Special 14 | Special 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 Glass), °C | 194 | 186 | 187 | 192 | 190 |
| Pour Point, °C | <-65 | <-70 | <-70 | <-70 | <-70 |
| Acid Value, mgKOH/g | 0.01 | 0.03 | 0.02 | 0.02 | 0.02 |
Foreign Products with Equivalent Performance:
◎ In this series, Special No. 3 is equivalent to the Russian OKB#3;
Special No. 4 is equivalent to the Russian OKB#4;
Special No. 5 is equivalent to the Russian OKB#5;
Special No. 14 is equivalent to the Russian OKB#14;
Special No. 16 is equivalent to the Russian OKB#16.
Precautions:
◎ Before use, clean the area to be used, blow dry, and inject with a syringe.
◎ After use, cap the bottle tightly to prevent dust and impurities from entering and affecting its use.
◎ Store in a clean, dry, and dark place.
Packaging:
◎ 250g plastic bottle.






