ASTM D4528-88(1998) - 10.5.1998
 
1. Scope

1.1 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.

 
2. Referenced Documents

D4573-22

Standard Test Method for Rubber Chemicals—Determination of Oil Content in Oil-Treated Sulfur

D4574-22

Standard Test Methods for Rubber Compounding Materials—Determination of Ash Content

D4578-22

Standard Test Methods for Rubber Chemicals—Determination of Percent Insoluble Sulfur by Extraction

D4569-06(2025)

Standard Test Method for Rubber Compounding Materials—Determination of Acidity in Sulfur

D4571-22

Standard Test Methods for Rubber Compounding Materials—Determination of Volatile Material

D4572-21(2025)

Standard Test Method for Rubber Chemicals—Wet Sieve Analysis of Sulfur