The color of a 10W 20 hydrotreated base oil did not increase 2 ,-XSTM Union color units in 528 hours, while the color of a highly conventionally refined SAE 10 base oil increased 2 color units in 36 hours.Heavy oils and bright stocks can also be made by hydrotreating deasphalted residua with no other treatment.
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.