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Thickeners&Viscosity Index Improvers
Thickeners&Viscosity Index Improvers
Viscosity index improvers are polymer ingredients that keep lubricants at the right thickness, even when temperatures change a lot. They're basically long molecules that get bigger or smaller depending on the temperature, which helps control how the lubricant works.
They're also known by these names:
* OCP viscosity index improver (Olefin Copolymer)
* PMA viscosity index improver (Polymethacrylate)
* HSD viscosity index improver (Hydrogenated Styrene-Diene)
* PIB viscosity index improver (Polyisobutylene)
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