Viscosity Modifier


Petadd VM-25(A) is an ultra-low molecular weight propylene/ethylene co-polymer, providing viscosity modification for lubricating oils. It offers good thickening power, excellent shear stability, and has good low temperature performance. Furthermore, Petadd VM-25(A) has good resistance to temperature extremes, and is widely compatible with a variety of lubricating additives.


  • Viscosity modifier for oils.
  • Good compatibility with other lubricating additives, enabling its use in a variety of formulations and applications.
  • For initial screening purposes, the recommended treat rate is 1%.

Storage and Handling

In the storage, loading/unloading and handling: The recommended temperature range is 20-30°C. Petadd VM-25(A) should be stored in a well ventilated, dry area, and out of direct sunlight. Consult the SDS for specific information.

Propylene (%m) 47-
Shear Stability Index (@100°C) 25-
VOCs (%m) -0.2
Ash (%m) -0.4
K.V. @1%/SN150/100°C (cSt)10-

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