Description
Product Introduction
Viscosity Index Improver Ethylene propylene rubber is polymerized by ethylene and propylene. It is primarily used in blending high-grade internal combustion engine oils. The product is white transparent colloid. It is solid at normal temperature.
Features
Excellent thickening capacity
Excellent shear stability and thermal oxidation stability
Good compatibility with all functional additives and pour point depressants
Improve the low temperature property of oil
Good oil solubility
| ltem | Typical Value | Test Method |
| Appearance | White Bulk | Visual |
| Volatile,m% | ≤0.5 | GB/T24131.1-2018(B) |
| Ash,m% | ≤0.04 | GB/T4498.1-2013(A) |
| Ethylene,m% | 48.6-52.6 | SH/T1751-2005(A) |
| Vanadium,ug/g | ≤2 | SH/T1814-2020(3) |
| Mooney Viscosity ML(1+4)100℃ | 8-13 | GB/T1232.1-2000 |
🔬 Laboratory – Advanced R&D & Quality Control Center
✅ High temperature oxidation stability test (ASTM D2272, RPVOT) – Ensure the anti-fading ability of lubricants under extreme high temperatures in the Middle East
✅ Low temperature fluidity test (ASTM D4684, CCS, MRV) – Ensure the cold start performance of lubricants in low temperature environments of -40°C
✅ Engine simulation test (Sequence IIIH, IVB, VIE, VIF) – Ensure engine cleanliness & long life
✅ Tribology test (Four-Ball, SRV, FZG) – Applicable to high-performance engines & Lubrication optimization for racing teams
✅ Low ash and environmentally friendly technology (ACEA C3, C5, C6 compatible) – ensures lubricants meet the latest emission regulations

🏭 Production plant – modern manufacturing base
🔹 Fully automatic production line, with an annual output of 100,000 tons, ensuring stable supply
🔹 DCS control system, precise reaction & mixing, improving batch consistency
🔹 Comply with ISO 9001 & ISO 14001 quality management standards
🔹 Focus on high-end product manufacturing, meeting the high standards of the world’s leading lubricant brands

Why choose [Company Name]?
✔ Top lubricant standards – Meets global high-end certifications such as API SP, ACEA C5, ILSAC GF-6, VW 508.00/509.00, MB 229.71.
✔ Designed for extreme environments – Suitable for **Middle East high temperatures (50°C+) and Russian extreme cold (-40°C)** conditions.
✔ Excellent laboratory support – Engine simulation testing, tribology optimization, high & low temperature fluidity improvement to ensure leading performance.
✔ High-end car & industrial equipment adaptation – The preferred partner of luxury car brands, racing teams, and high-end industrial lubricant manufacturers.
✔ Long-term stable supply – Modern production base, support large-volume orders, ensure stable supply chain.
📩 Contact us now to get exclusive high-end lubricant additive solutions!
Viscosity index improver is an important additive mainly used to improve the viscosity properties of lubricants and fuels. EPM ethylene propylene rubber, as a new viscosity index improver, has attracted widespread attention in the lubricating oil industry.
Physical property analysis
Through comparative experiments, it was found that EPM ethylene propylene rubber has better fluidity, lower melting point and narrow distribution. Compared with similar products on the market, EPM ethylene propylene rubber has better low-temperature fluidity and high-temperature stability.
Chemical property analysis
EPM ethylene propylene rubber has good thermal stability and its decomposition temperature is higher than similar products on the market. In addition, the oxidation resistance of this material is also significantly better than similar products on the market.
Mechanical property analysis
Under the condition of changing shear rate, EPM ethylene propylene rubber shows good viscosity stability and its viscosity change rate is small. In addition, the material has higher wear and rust resistance than similar products on the market.
EPM ethylene propylene rubber, as a new type of viscosity index improver, has excellent physical properties, chemical properties and mechanical properties. Compared with similar products on the market, this material shows superior performance in terms of viscosity stability, anti-wear performance and anti-rust performance.












Tackett –
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