Maxtop alkyl benzene Alkylbenzene synthetic heat transfer fluid(MTHD320) adopts refined heavy alkyl benzene or long chain alkyl benzene as the base oil, adding self-developed MAXTOP Maestol heat transfer fluid compound additive, using a number of patented formula technology, through a number of self-developed ultra-long time both high temperature and oxidation anti-coking testing technology developed. Good self-cleaning, coefficient of thermal conductivity properties, long service life and lower cold start temperature.