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Significance and Use
There are many different antidegradants available for use in the rubber industry.
This classification of the various materials covers their chemical structure along with a brief reference to their overall use and their properties.
1.1 This classification covers antidegradants used in rubber and where appropriate defines their important chemical and physical characteristics for use in rubber.
1.2 The general term “antidegradant” describes materials used in rubber to protect against the effects of oxygen and ozone. Materials that fall in this general category include both antioxidants and antiozonants.
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D1218 Test Method for Refractive Index and Refractive Dispersion of Hydrocarbon Liquids
D1519 Test Methods for Rubber Chemicals--Determination of Melting Range
D1747 Test Method for Refractive Index of Viscous Materials
D2702 Practice for Rubber Chemicals--Determination of Infrared Absorption Characteristics
D3461 Test Method for Softening Point of Asphalt and Pitch (Mettler Cup-and-Ball Method)
D4571 Test Methods for Rubber Compounding Materials--Determination of Volatile Material
D4574 Test Methods for Rubber Compounding Materials--Determination of Ash Content
D4937 Test Method for p-Phenylenediamine Antidegradants Purity by Gas Chromatography
D5376 Test Method for Rubber Compounding Materials--Determination of the Basic Nitrogen Content in Rubber Antioxidant: Polymerized TMQ
E28 Test Methods for Softening Point of Resins Derived from Naval Stores by Ring-and-Ball Apparatus
ICS Number Code 83.040.20 (Rubber compounding ingredients)
UNSPSC Code 13100000(Rubber and elastomers)
ASTM D4676-94(2012), Standard Classification for Rubber Compounding Materials—Antidegradants , ASTM International, West Conshohocken, PA, 2012, www.astm.orgBack to Top