MK-6303V Polymethacrylate (PMA) Viscosity Index Improvers for Automatic Transmission Fluid
Polymethacrylate (PMA) Viscosity Index Improvers for Automatic Transmission Fluid helps you to develop fuel-efficient transmission fluid, meeting the increasing environmental requirements.
Polymethacrylate (PMA) Viscosity Index Improvers for Automatic Transmission Fluid Typical Data
| Item | Technical Standard | Typical Data | Test Method |
| Appearance | Transparent Viscous Liquid | Transparent Viscous Liquid | Visual Check |
| Kinematic Viscosity (100℃), mm²/s | 900~1300 | 1019 | GB/T265 |
| Flash Point (Open Cup), ℃ | ≮160 | 170 | GB/T3536 |
| Colour, number | ≯3 | 0.5 | GB/T6540 |
| Density (20℃), kg/m³ | 850~950 | 910 | SH/T0604 |
Product Test Data
| Base Oil 150N | 150N | MK-6303V+10% |
| 100℃ (mm²/s) | 5.67 | 9.79 |
| 40℃ (mm²/s) | 29.5 | 50.35 |
| VI (Viscosity Index) | 136 | 185 |
| Pour Point (℃) | -20 | -41 |
| Thickening Ability | – | 4.12 |
| PSSI, KRL (20h) | 40.01 | |
Recommended Dosage in Transmission Fluid Formulation
| ATF | DCTF | CVTF | |
| 6303V Functional Polymer, %wt | 3~14 | 4~14 | 4~12 |
| Base Oil Type | Ⅱ, Ⅲ, Ⅳ | Ⅲ, Ⅳ, Ⅴ | Ⅲ, Ⅳ, Ⅴ |
| Base Oil Kinematic Viscosity (100℃), mm²/s | 7.0~7.5 | ||
| Functional Additives | 3~12 | ||
Formula Example CVTF
| Amount%wt | OEM Standard | |
| MK-6303V | 9.8 | |
| MK-6126P | 0 | |
| 60N | 17 | |
| 100N | 68.2 | |
| Functional AdditivesMK-8016 | 5 | |
| Kinematic Viscosity (100℃), mm²/s | 7.15 | 7.0 -7.5 |
| Kinematic Viscosity (40℃), mm2/s | 31.2 | |
| VI | 204 | |
| BF, (-40℃), mPa·s | 12218.59 | <15000 |
| PSSI, KRL (20h) | 6.28 | >3.5 |
| Pour Point, ℃ | -43 | <-40 |
| Flash Point, ℃ | 194 | >180 |
Applications in Automatic Transmission Fluid |
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| Products | PSSI (KRL 20h) | Product Features | Suggested Applications |
| MK-6301V | 65 | Efficient Thickening; Excellent Low-temperature Performance | DEXRON®-III MERCON®, UTTO |
| MK-6302V | 46 | Excellent Thickening Performance; Outstanding Low-temperature Brookfield Viscosity; Good Shear Stability | ATF, CVTF, DCTF
DEXRON®-IIIH |
| MK-6303V | 40 | Good Shear Stability; Outstanding Low-temperature Brookfield Viscosity | ATF, CVTF, DCTF
DEXRON®-VI, MERCON®V |
| MK-6304V | 20 | High Shear Stability; Good Low-temperature Performance | Transmission oil requiring high shear stability, gearbox oil for battery electric vehicles, etc. |
Suggested Use
Add 2.0%~20%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 of MK-6303V functional polymer needed.
Packaging
Polymethacrylate (PMA) Viscosity Index Improvers for Automatic Transmission Fluid is a solution of modified polymethacrylate (PMA) in deeply refined mineral oil, which can be packaged in 200 L steel drums with a net weight of 175 kg or IBC tanks with a net weight of 900 kg.
Advantages of MK-6303V Modified Polymethacrylate (PMA) Functional Polymer for Transmission Fluid:
- Excellent thickening ability at low dosage levels
- Outstanding low-temperature performancefor smoother start-up at low temperatures
- Excellent shear stability to ensurea continuous and effective control of oil viscosity during shear under harsh conditions
- Excellent dispersing performanceto prevent deposition of oxidation products
- Good compatibilitywith base oils and functional additives to ensure formulation flexibility
- Optimumfuel economy










