ASTM D 4934 - 02 Standard Test Method for Rubber Compounding Materials: 2-Benzothiazyl Sulfenamide Accelerators - Insolubles

American Society for Testing and Materials (ASTM). Current edition approved Oct. 1, 2006. Published November 2006. Originally
approved in 1989. Last previous edition approved in 2002 as D 4934 – 02. This test method covers a general procedure for the
determination of insoluble impurities of sulfenamides in suitable organic solvents.