ASTM D 4574 - 06 (Reapproved 2017) Standard Test Methods for Rubber Compounding Materials - Determination of Ash Content

Current edition approved May 1, 2017. Published May 2017. Originally approved in 1986. Last previous edition approved in 2012 as D4574 – 06 (2012). — 4 p.
These test methods cover the determination of ash content of rubber chemicals.
The test methods include the following materials:
Sulfur
p-Phenylenediamine Antioxidants
Benzothiazole Sulfenamide Accelerators