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This specification covers preformed rubber gaskets used to seal joints in cast iron soil pipe and fittings. Gaskets shall be made of a properly vulcanized virgin rubber as the sole elastomer with no scrap or reclaim. Gaskets shall conform to the required physical properties such as hardness, elongation, tensile strength, tear strength and compression. The gasket material shall be tested for effects of heat aging. They shall be tested for weight increase due to water absorption and shall also be tested for volume decrease due to oil absorption. Gasket material shall be tested for ozone resistance.
This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.
Significance and Use
1.1 This specification covers preformed rubber gaskets used to seal joints in cast iron soil pipe and fittings.
1.2 The committee with jurisdiction over this standard is not aware of another comparable standard for materials covered in this standard.
1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
1.4 The following safety hazards caveat pertains only to the test methods section of this specification: 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.
Other DocumentsCISPI310 Specification for couplings for use in connection with hubless cast iron soil pipe and fittings for sanitary and storm drain, waste, and vent piping applications Available from Cast Iron Soil Pipe Institute (CISPI), http://www.cispi.org.
A644 Terminology Relating to Iron Castings
C1277 Specification for Shielded Couplings Joining Hubless Cast Iron Soil Pipe and Fittings
D395 Test Methods for Rubber Property--Compression Set
D412 Test Methods for Vulcanized Rubber and Thermoplastic Elastomers--Tension
D471 Test Method for Rubber Property--Effect of Liquids
D573 Test Method for Rubber--Deterioration in an Air Oven
D624 Test Method for Tear Strength of Conventional Vulcanized Rubber and Thermoplastic Elastomers
D1149 Test Methods for Rubber Deterioration--Cracking in an Ozone Controlled Environment
D1415 Test Method for Rubber Property--International Hardness
D2240 Test Method for Rubber Property--Durometer Hardness
D3677 Test Methods for Rubber--Identification by Infrared Spectrophotometry
ICS Number Code 23.040.80 (Seals for pipe and hose assemblies)