Product Introduction
HSD Viscosity improver is a viscosity index improver of polyhydrogenated styrene-isoprene type. It possesses excellent permanent shear stability, outstanding low-temperature flow properties, ideal high-temperature and high-shear performance,and has a good sensitivity to anti-gelling agents.
Product index
| Project Appearance | Typical data | Experimental method |
| MK-635 | ||
| Flash point (open) ℃ | Colorless or light yellow viscous liquid | Eyeballing |
| Viscosity at 100 ℃ mm2/s | ≥180 | GB/T 3536 |
| Shear stability index (SSI) (ultrasonic method) | 1300 | GB/T 265 |
| Thickening capacity mm2/s | ≤5 | SH/T 0505 |
| Viscosity index increase | 7.3 | Note |
| Moisture % | 50 | Note |
| Mechanical impurities % | ≤0.1 | GB/T 260 |
| Project | ≤0.1 | GB/T 511 |
Note: Add 10% viscosity index improver to the second-class base oil 150N, and measure the viscosity at 100℃ and the increase in viscosity index.
Product Storage and Transportation
HSD Viscosity improver：When storing, handling and blending this product, refer to SH/T0164. The maximum temperature should not exceed 75 ℃; if stored for a long time, the maximum temperature should not exceed 45 ℃. This product is non-flammable, non-explosive and non-corrosive. In terms of safety, environmental protection and usage, it is the same as general petroleum products and does not require special protection.
Packaging Standards
Net weight of the product: 165kg per barrel, 200L standard barrel.
