Current edition approved May 1, 2012. Published May 2012. Originally approved in 1963. Last previous edition approved in 2007 as D2226 – 93 (2007). — 2 p.
This classification is intended to establish classification and test methods for certain types of oil used in extending andprocessing styrene-butadiene
rubbers (SBR) and butadiene rubbers (BR). Its purpose is for classification only and not for specification.