Current edition approved Dec. 1, 2010. Published February 2011. Originally approved in 1973. Last previous edition approved in 2006 as D3188 – 06. — 5 p.
These test methods cover the standard materials, test formula, mixing procedures, and test methods for the evaluation and production control of non-halogenated isobuteneisoprene rubbers (IIR), commonly known as butyl rubber.