J0050 – Ethylene Propylene Rubber (EPR) Viscosity Index Improver

High-Efficiency Thickener for Medium-Grade Engine Oil Formulations

Description:
J0050 is a solid viscosity index improver (VII) based on ethylene-propylene rubber (EPR), polymerized from ethylene and propylene monomers. This product appears as a white, transparent colloid and remains solid at room temperature. It is primarily used in the formulation of medium-grade internal combustion engine oils, where it delivers enhanced viscosity-temperature performance, improved low-temperature fluidity, and excellent shear stability.

J0050 provides reliable thickening power, good thermal and oxidative stability, and seamless compatibility with other functional lubricant additives, including detergents, dispersants, ZDDP, antioxidants, and pour point depressants. Its performance characteristics make it an ideal choice for multigrade engine oil formulations that require consistent viscosity control under varying operating conditions.

Key Benefits:

• Excellent thickening capacity – improves viscosity index and oil consistency

• Outstanding shear stability – resists viscosity loss under mechanical stress

• Good thermal and oxidation stability – supports long-term oil performance

• Improves cold-flow properties – enhances engine protection during cold starts

• Highly compatible – blends well with all standard lubricant additive packages

• Good oil solubility – disperses easily in both mineral and synthetic base oils

Applications:

• Medium-grade gasoline and diesel engine oils

• Suitable for formulating SAE 10W-30, 15W-40, and similar multigrade oils

• Compatible with both mineral and synthetic base stocks

• Works synergistically with pour point depressants to optimize low-temp behavior

Recommended Treat Rate:

• 2.0% by weight, depending on desired viscosity and formulation parameters

Packaging:

• Packed in 25 kg composite bags, 42 bags per iron pallet box

• Also available in 200-liter metal drums, net weight: 170 kg/drum (upon request)

Storage & Transportation:

• Store in a clean, dry, and ventilated warehouse

• Avoid exposure to direct sunlight or temperatures exceeding 60°C

• Long-term storage recommendation: ≤ 50°C

• Shelf life: 24 months under proper storage conditions