Global Viscosity Index Improver Market Size Analysis Report - Market Share, Forecast Trends and Outlook (2024-2032)

Viscosity Index Improver Market Size

The global viscosity index improver market is expected to grow at a CAGR of 4.3% during the period 2024-2032. Viscosity index improvers are widely employed in gear oils, multigrade engine oils, automatic transmission fluids, power-steering fluids, greases and some types of hydraulic fluid.

The most regular application is for heavy-duty trucks and passenger cars. Materials usually employed to prepare viscosity index improvers include radial polyisoprene, polyisobutylene (PIB), polymethacrylates (PMA) and olefin co-polymers (OCP). Europe, North America, and Asia are likely to be significant markets. 

Global Market Likely to be Boosted by Uses in Industrial and Automotive Lubricant Formulations

Viscosity control versus temperature change is a key aspect of an effective and enduring lubricant. Several applications rotate between hot and cold operating temperatures and warrant similar levels of protection and lubrication all through the process.

Viscosity index improvers or viscosity modifiers prevent lubricant thinning at higher temperatures. Decreased lubricant viscosity and resultant thinning of the lubricant may diminish the protective properties of the lubricant and cause damage to the equipment. 

Viscosity index improvers are complex polymer additives that expand at higher temperatures to thicken the lubricant to make sure that the viscosity remains consistent and stable, protecting the equipment at high as well as low temperatures. Viscosity improvers enable multigrade oil formulation which eliminates the need for cyclical oil changes. The choice of viscosity index improver depends on considerations of finished fluid requirements. Polymers with high molecular weight display superior thickening efficiency, but are more prone to mechanical shear; on the other hand, polymers with lower molecular weight exhibit better shear stability but need to be employed at a higher treat rate. Some types of polymer are susceptible to oxidative and thermal degradation at elevated temperatures, thus, it becomes necessary to choose a polymer with higher oxidative and thermal stability.

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Viscosity Index Improver Market Size

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