Low-temperature Hydraulic Oil PMA Viscosity Modifier
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China Mainland
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Minimum Order
1
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Product Detail
Low-temperature hydraulic oil PMA Viscosity modifier
PMA viscosity modifier SCR-178A is a kind of the efficient viscosity index improver, and it also has pour point depressing effect. With a little dosage, this product can availably improve the viscosity index, and can also reduce the pour point at the same time, thus saves the cost of additives. The product is transparently sticky liquid. And the dosage has no effect on the transparence of the oils. It is popularly used to blend low-temperature hydraulic oil. It can be used for formulating many kinds of oils such as aviation hydraulic oils, fluid drive oils, gear oils, transformer oils, hydraulic oils of low pour point, NC machine hydraulic oils, special hydraulic oils and internal-combustion engine oils and so on.
Product Characteristics
SCR-178A has a narrow molecular weight distribution and a stable structure. It offers high shear stability and excellent low temperature fluidity, efficient in improving viscosity index and inhibiting wax crystallization. This formula also offers excellent depressant effect for hydrogenarated base oil. Excellent filterability and demulsibility.
Recommended Dose
1%-10%
Typical Characteristics
List of Items | Standard Value | Typical Value | Test Method |
Color | <2 | <0.5 | GB/T6540 |
Density, Kg/m3 | - | 931 | GB/T1885 |
Flash point (COC), °C | >120 | >150 | GB/T3536 |
Thickening ability, mm2/s | 4.0 | 6.5 | SH/T0566 |
Kinematic Viscosity, | 550 | 1220 | GB/T265 |
List of Items | Base Oil HVI 150 | HVI 150 + 10% SCR-178A | Test Method |
Appearance | Clear transparent viscous liquid | Visual | |
Low temperature dynamic viscosity, (-20°C), mPa.s | 2250 | 2650 | GB/T6538 |
Shear stability index(SSI) | - | 4.7 | SH/T0622-C |
Pour Point, °C | -14 | -32 | GB/T3535 |
Thickening ability, mm2/s | - | 6.2 | SH/T0622-A |
Packaging and Safety Information
Net weight: 175 Kg/drum, packed in 200 liter metal drum. Best Blending temperature: 50-60?. Please refer to SH/T0164 for transportation, storage and handling. Non-flammable, non-explosive, non-corrosive. Storage temperature below 60?, avoid repeated heating, keep away from heat.
SCR-178A PMA Viscosity Index Improver
Application Examples
1. Blending Low-Temperature Hydraulic Oil 46#
Base Oil | Hydraulic Oil Additive Package | Viscosity Index Improver | Pour Point Depressant |
65% ETRO4 + 35% GS500N-4 | Afton HiTEC 521 | SCR-178A | SCR-248 |
100% | 0.85% | 7% | 0.2% |
Items | Low-Temperature Hydraulic Oil 46# | Test methods | |
Kinematic Viscosity, | 40 °C | 49.03 | GB/T265 |
100 °C | 9.645 | ||
Viscosity Index | 186 | GB/T2541 | |
Pour Point, °C | -42 | GB/T3535 | |
Air Release Rate (50 °C), min | 3.0 | SH/T0308 | |
Demulsibility (40-37-3) 54°C, min | 5 | GB/T7305 | |
shear stability index (250 cycles, 40°C), % | 0.72 | SH/T0103 |
2. Blending Motor Gear Oil GL-5 75W/90
Oil Composition | Items | Characteristics | Test methods |
81.6% 150N | Kinematic Viscosity (100 °C), mm2/s | 16.16 | GB/T265 |
Surface Viscosity (-40 °C), mm2/s | 69600 | GB/T11145 | |
Pour Point, °C | -42 | GB/T3535 | |
Viscosity index | 194 | GB/T1995 |
3. Viscosity Index Indicators
HVI 150 | SCR-178A | Kinematic Viscosity, mm2/s | Viscosity Index | |
100 °C | 40 °C | |||
100% | 0% | 5.13 | 30.11 | 97 |
99% | 1% | 5.66 | 32.78 | 112 |
98% | 2% | 6.15 | 35.53 | 121 |
97% | 3% | 6.78 | 38.29 | 135 |
94% | 6% | 8.76 | 47.48 | 166 |
90% | 10% | 10.83 | 56.82 | 186 |
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