Polymethacrylate PMA additive Viscosity Index Improvers for Ultra-low Temperature Oil
Ultra-low temperature oil is widely used in mechanical equipment operating in extremely cold regions where temperatures can drop as low as -50℃. Such harsh environments place extremely high requirements on the oil’s viscosity-temperature performance, especially its low-temperature properties. Specifically, the oil must feature an ultra-high viscosity index, ultra-low pour point, and low-temperature kinematic or dynamic viscosity, and we must also consider its shear stability under specific operating conditions. Our products engineered for ultra-low temperature oil offer superior performance in these aspects, and we can also apply this product series to applications requiring similar performance, such as aviation oil and high-performance shock absorber oil. We design the products in the following tables with differentiated performance priorities, including viscosity index improvement and shear stability, to satisfy diverse application needs.
MK-6733V PMA additive Typical Data
| Item | Typical Data | Test Method | |
| Appearance | Transparent Viscous Liquid | Visual Check | |
| Kinematic Viscosity (100℃), mm²/s | 1000-1300 | GB/T 265 | |
| Colour, number | 0.5 | GB/T 6540 | |
| Density (20℃), kg/m³ | 880 | SH/T 0604 | |
| Flash Point (Open Cup), ℃ | 160 | GB/T 3536 | |
| Thickening Ability | 6.91 | SH/T 0622 Appendix A | |
|
PSSI
|
Diesel Injector Shear, 30 Cycles, % | 8.19 |
SH/T 0103 |
| Diesel Injector Shear, 90 Cycles, % | 14.14 | ||
| Diesel Injector Shear, 250 Cycles, % | 17.45 | ||
| KRL 20 h, % | 63 | NB/SH/T 0845 | |
| Note: According to Appendix A, the product is added to HVI150 base oil, and the increase in kinematic viscosity (100℃) of the blended oil with 10% PMA viscosity index improver is measured. | |||
MK-6733VThickening, Viscosity Index and Pour Point in Different Base Oils
| 100N | 250N | |||||
| MK-6733V | MK-6733V | |||||
| wt% | 0 | 5 | 10 | 0 | 5 | 10 |
| Kinematic Viscosity (100℃), mm²/s | 4.27 | 6.37 | 9.33 | 7.4 | 11.33 | 16.47 |
| Kinematic Viscosity (40℃), mm²/s | 18.59 | 26.51 | 37.95 | 50.23 | 71.19 | 98.32 |
| VI | 140 | 207 | 242 | 108 | 152 | 182 |
| Pour Point, ℃ | -40 | -51 | -46 | -22 | -40 | -39 |
Recommended Formula of MK-6733V in Shock Absorber Oils
| Formula | ||
| 60N Base Oil | 95 | |
| MK-6733V | 3.5 | |
| Functional Additives
MK-8010 |
1.5 | |
| MK-PPD | 0 | |
| Non-Silicon Defoamer | 300ppm/Ton | |
| Item | Test Method | |
| Kinematic Viscosity (40℃), mm²/s | 15.49 | GB/T 265 |
| Kinematic Viscosity (100℃), mm²/s | 4.72 | GB/T 265 |
| VI | 247 | GB/T 1995 |
| Pour Point, ℃ | -50 | GB/T 3535 |
| Flash Point, ℃ | 164 | GB/T 3636 |
| Brookfield Viscosity (-40℃), mPa·s | 3298 | GB/T 11145 |
Applications in Ultra-low Temperature Oil |
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| Products | PSSI (KRL 20h) | Product Features | Suggested Applications |
For use with low-viscosity Group II, III, IV and V and naphthenic base oils |
| MK-6731V | 36 | Excellent Shear Stability and Low-temperature Performance; Good Performance in Improving the Viscosity Index | Oil used in extremely cold regions requiring excellent shear stability, viscosity index improvement and low-temperature performance | |
| MK-6732V | 48 | Good Shear Stability; Excellent Low-temperature Performance and Viscosity Index Improvement | Oil used in extremely cold regions requiring excellent viscosity index improvement and low-temperature performance and aviation hydraulic oil | |
| MK-6733V | 63 | Outstanding Low-temperature Performance and Viscosity Index Improvement | Shear-stable oil used in extremely cold regions requiring excellent viscosity index improvement and low-temperature performance, shock absorber oil or other special oil | |
Suggested Use
Add 1.0%~15.0%wt to the specified base oils. Given the different types of base oils, thickening, viscosity index and pour point tests of the blended oil are required to determine the exact amount ofMK-6733V functional polymer needed.
Polymethacrylate Viscosity Index Improvers Packaging
We package MK-6733V, a solution of modified polymethacrylate (PMA) in deeply refined mineral oil, in 200 L steel drums with a net weight of 175 kg or IBC tanks with a net weight of 900 kg.
Product Features:
- Outstanding Low-temperature Performance
- Viscosity Index Improvement
