Current edition approved May 1, 2017. Published May 2017. Originally approved in 1974. Last previous edition approved in 2012 as D3314 – 02 (2012). — 4 p.
This test method covers the determination of long polystyrene blocks in SBR rubbers and styrene-reinforced latices.
Percent block styrene content may be determined in the range from 1 to 100 %.
This test method is intended for use on gel-free polymers, but it may be used on polymers containing gel, if ithas been proven that gel does not interfere.