ASTM International - ASTM D4924-89(1999)

Standard Classification for Petroleum Waxes for Use in Rubber Compounding

historical
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Organization: ASTM International
Publication Date: 10 November 1999
Status: historical
Page Count: 2
ICS Code (Waxes, bituminous materials and other petroleum products): 75.140
scope:

1.1 This standard is intended to establish a classification system and test methods for petroleum waxes used in rubber compounding primarily as a static protective agent or material for unsaturated rubbers such as styrene-butadiene rubber, polyisoprene rubber, natural rubber, chloroprene rubber, acrylonitrile-butadiene rubber, and polybutadiene rubber. These unsaturated rubbers are subject to ozone cracking. Under certain exposure conditions, waxes retard this cracking.

1.2 This classification is applicable to petroleum waxes used as process aids in rubber compounding. It is not applicable to nonpetroleum waxes such as carnuba wax, candelille wax, or ceresin wax, nor to synthetic hydrocarbon waxes such as polyethylene wax. These non-petroleum waxes display a different behavior on gas chromatographic analysis than do petroleum waxes.

1.3 This standard may involve hazardous materials, operations, and equipment. This standard does not purport to address all of the safety problems 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.

Document History

February 1, 2017
Standard Classification for Petroleum Waxes for Use in Rubber Compounding
1.1 This classification is intended to establish a classification system and test methods for petroleum waxes used in rubber compounding primarily as a static protective agent or material for...
May 1, 2012
Standard Classification for Petroleum Waxes for Use in Rubber Compounding
1.1 This classification is intended to establish a classification system and test methods for petroleum waxes used in rubber compounding primarily as a static protective agent or material for...
May 1, 2005
Standard Classification for Petroleum Waxes for Use in Rubber Compounding
Petroleum waxes in rubber compounds are commonly used to provide protection from degradation by ozone under static conditions, that is, when there is little or no flexing of the rubber products. The...
ASTM D4924-89(1999)
November 10, 1999
Standard Classification for Petroleum Waxes for Use in Rubber Compounding
1.1 This standard is intended to establish a classification system and test methods for petroleum waxes used in rubber compounding primarily as a static protective agent or material for unsaturated...
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