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1.1 This classification system covers the properties of vulcanized rubber materials (natural rubber, reclaimed rubber, synthetic robbers, alone or in combination) that are intended for use in rubber products found in natural gas pipeline applications (for example, elastomeric couplings, o-rings, quad seals, and diaphragms).
1.2 This classification system is based on the premise that the material properties of all rubber products can be arranged into characteristic material designations. These designations are determined by types and classes as described in Classification System . For gas industry pipeline applications, materials can be further described using additional requirements herein in conjunction with Classification System . It must be noted that there are other types of elastomers covered in Classification System that are not covered by this standard.
1.3 In all cases where the provisions of this classification system would conflict with those of the detailed specifications for a particular product, the latter shall take precedence.
1.4 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.
D297 Test Methods for Rubber ProductsChemical Analysis
D471 Test Method for Rubber PropertyEffect of Liquids
D573 Test Method for RubberDeterioration in an Air Oven
D1418 Practice for Rubber and Rubber Latices--Nomenclature
D1566 Terminology Relating to Rubber
D2000 Classification System for Rubber Products in Automotive Applications
D6370 Test Method for Rubber--Compositional Analysis by Thermogravimetry (TGA)
D8015 Test Method for Dimensional Changes of Elastomer and Rubber Materials Due to Exposure to Gaseous Hydrocarbon Environments
ICS Number Code 75.200 (Petroleum products and natural gas handling equipment); 83.060 (Rubber)
UNSPSC Code 13101601(Vulcanized rubber); 95121640(Pipeline)
|Link to Active (This link will always route to the current Active version of the standard.)|
ASTM D7999-15, Standard Classification for Rubber Products in Natural Gas Pipeline Applications, ASTM International, West Conshohocken, PA, 2015, www.astm.orgBack to Top