ASTM D 4528 - 88 (Reapproved 2017) Standard Classification for Rubber Compounding Materials - Sulfur

Current edition approved Feb. 1, 2017. Published February 2017. Originally approved in 1988. Last previous edition approved in 2012 as D4528 – 88 (2012). — 2 p.
This classification covers the variety of sulfur grades used in the rubber industry. Typical chemical and physical properties for sulfur are shown. Sulfur is principally used in unsaturated rubbers as a vulcanizing agent.