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PMA Viscosity Index Improver (Liquid) – CHEMPOL 5403
Viscosity Index Improvers (OCP and PMA)

PMA Viscosity Index Improver (Liquid) – CHEMPOL 5403

Product overview

CHEMPOL 5403 is a specially designed POLY METHACRYLATE Copolymer type Viscosity Index Improver for formulating the lubricants where very low shear stability & high viscosity index is desired. It is recommended mainly for low SSI hydraulic oil, automotive transmission oils, automotive multigrade premium gear oils, Utto wet brake oils and shock absorber oils. It meets the sonic shear stability requirements for shock absorber oils.

Where to use it:

  • Low-SSI hydraulic oils.
  • Automotive transmission oils and fluids.
  • Premium multigrade automotive gear oils.
  • UTTO wet-brake fluids.
  • Shock absorber oils: it meets the sonic shear stability requirements.

What it adds:

  • A VI boost of more than 30 at 5 wt% in oil (typical 35, ASTM D2270).
  • Shear stability index 15–20 (typical 18, ASTM D6278).
  • Excellent low-temperature flow from its PMA chemistry.
  • Compatibility with a wide range of base oils and additive systems.

Key properties (typical): kinematic viscosity 1,400 mm²/s at 100 °C (spec 1,100–1,600, ASTM D445) · density 890 kg/m³ at 15 °C (spec 860–920, ASTM D4052) · flash point 190 °C (min 180, ASTM D92) · ash 0.1 wt% (ASTM D874).

Treat rate: depends on your base oil and target viscosity; send us both for a recommendation.

FEATURES:

  • High viscosity index enhancement.
  • Controlled, low shear stability for specific applications.
  • Polymethacrylate based chemistry for optimized thermal and viscosity performance.
  • Excellent low-temperature flow characteristics.
  • Recommended for shock absorber oils, meets sonic shear test requirements.

PACKING, STORAGE AND TRANSPORTATION

  • Max Handling Temp: 75°C
  • Recommended Long-Term Storage Temp: ≤45°C
  • Shelf Life: Refer to MSDS for specific details
  • Packing Options: 165 KG drums, 900 KG IBCs, and bulk ISO tanks
  • Storage & Safety: Non-flammable, non-explosive, non-corrosive. Follow all guidelines in the product MSDS for safe handling and environmental precautions.

Where to use it

  • CHEMPOL 5403 is a polymethacrylate (PMA) viscosity index improver supplied as a light golden viscous liquid. It is designed for lubricants that need a high viscosity index with very low, controlled shear stability: hydraulic oils, transmission fluids, gear oils, wet-brake fluids and shock absorber oils.
Key properties
ITEM, TEST METHODSPECIFICATIONTYPICAL
Appearance, Visual Light Golden Viscous Liquid Light Golden Viscous Liquid
ASTM Color, ASTM D6045 <2.0 1.0
Density (15℃), kg/m3, ASTM D4052 860 - 920 890
Kinematic Viscosity@100 ℃, ASTM D445 1100 – 1600 1400
Flash Point, ℃, ASTM D92 >180 190
Shear Stability Index, ASTM D6278 15-20 18
Ash Content, wt%, ASTM D874 <0.4 0.1
VI Boost @ 5wt% in Oil, ASTM D2270 >30 35

Need formulation support?

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Frequently asked questions

PMA or OCP for hydraulic oil?

PMA gives better low-temperature flow and controlled shear stability, so CHEMPOL 5403 is the usual choice for hydraulic, transmission and gear fluids. OCP grades suit engine oils.

What VI increase can I expect?

More than 30 points (typical 35) at 5 wt% in oil; your result depends on the base oil.

Is it suitable for shock absorber oils?

Yes. It meets the sonic shear stability requirements for shock absorber oils.

Discuss your formulation requirements

Contact our team for product selection and a quotation.