... 1.Improve methylal combustion performance 2.high octane number JHT-03 Multifunctional Methylal Improver1. IntroductionIn order to reduce the cost, ... Research Institute have researched and tested for many years, a multi-functional improver has been developed successfully, and has ... verified in many oil companies, its functions are as below,a. Inhibit the evaporation of oil, reduce oil saturation vapor ...