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Viscosity Index Improver Type, Variety And Development Trend

The viscosity index improver is generally an oil-soluble chain polymer compound. Polymethacrylate (PMA) and polyisobutylene (PIB) have been widely used in the early stage, and ethylene-propylene copolymer (OCP) and styrene-isoprene copolymer (HSD) have been formulated in recent years.

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OCP Viscosity Index Improver
PMA Viscosity Index Improver
PMA Pour Point Depressant PPD
Lubricant Additive Package
Vehicle Gear Oil
Industrial Oil
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