1、Designation:F87615aStandard Specification forCrosslinked Polyethylene(PEX)Tubing1This standard is issued under the fixed designation F876;the number immediately following the designation indicates the year of originaladoption or,in the case of revision,the year of last revision.Anumber in parenthese
2、s indicates the year of last reapproval.Asuperscriptepsilon()indicates an editorial change since the last revision or reapproval.1.Scope*1.1 This specification covers crosslinked polyethylene(PEX)tubing that incorporates an optional polymeric inner,middle or outer layer and that is outside diameter
3、controlled,made in nominal SDR9 tubing dimension ratios except wherenoted,and pressure rated for water at three temperatures(seeAppendix X1).Included are requirements and test methods formaterial,workmanship,dimensions,burst pressure,hydrostaticsustained pressure,excessive temperature pressure,envir
4、on-mental stress cracking,stabilizer functionality,bent-tube hy-drostatic pressure,oxidative stability in potable chlorinatedwater,and degree of crosslinking.Requirements for tubingmarkings are also given.1.2 The text of this specification references notes,footnotes,and appendixes which provide expl
5、anatory material.Thesenotes and footnotes(excluding those in tables and figures)shallnot be considered as requirements of the specification.1.3 The values stated in inch-pound units are to be regardedas standard.The values given in parentheses are mathematicalconversions to SI units that are provide
6、d for information onlyand are not considered standard.1.4 The following safety hazards caveat pertains only to thetest methods portion,Section 7,of this specification:Thisstandard does not purport to address all of the safety concerns,if any,associated with its use.It is the responsibility of the us
7、erof this standard to establish appropriate safety and healthpractices and determine the applicability of regulatory limita-tions prior to use.2.Referenced Documents2.1 ASTM Standards:2D618 Practice for Conditioning Plastics for TestingD792 Test Methods for Density and Specific Gravity(Rela-tive Den
8、sity)of Plastics by DisplacementD1505 Test Method for Density of Plastics by the Density-Gradient TechniqueD1598 Test Method for Time-to-Failure of Plastic PipeUnder Constant Internal PressureD1599 Test Method for Resistance to Short-Time HydraulicPressure of Plastic Pipe,Tubing,and FittingsD1600 Te
9、rminology forAbbreviated Terms Relating to Plas-ticsD1898 Practice for Sampling of Plastics(Withdrawn 1998)3D2122 Test Method for Determining Dimensions of Ther-moplastic Pipe and FittingsD2765 Test Methods for Determination of Gel Content andSwell Ratio of Crosslinked Ethylene PlasticsD2837 Test Me
10、thod for Obtaining Hydrostatic Design Basisfor Thermoplastic Pipe Materials or Pressure Design Basisfor Thermoplastic Pipe ProductsD3895 Test Method for Oxidative-Induction Time of Poly-olefins by Differential Scanning CalorimetryF412 Terminology Relating to Plastic Piping SystemsF1281 Specification
11、forCrosslinkedPolyethylene/Aluminum/Crosslinked Polyethylene(PEX-AL-PEX)Pressure PipeF2023 Test Method for Evaluating the Oxidative Resistanceof Crosslinked Polyethylene(PEX)Tubing and Systemsto Hot Chlorinated WaterF2657 Test Method for Outdoor Weathering Exposure ofCrosslinked Polyethylene(PEX)Tub
12、ing2.2 ANSI Standard:B36.10 Standards Dimensions of Steel Pipe(IPS)42.3 Federal Standard:FED-STD-123 Marking for Shipment(Civil Agencies)52.4 Military Standard:MIL-STD-129 Marking for Shipment and Storage51This specification is under the jurisdiction of ASTM Committee F17 on PlasticPiping Systems an
13、d is the direct responsibility of Subcommittee F17.26 on OlefinBased Pipe.Current edition approved Sept.1,2015.Published November 2015.Originallyapproved in 1984.Last previous edition approved 2015 as F876 15.DOI:10.1520/F0876-15A.2For referenced ASTM standards,visit the ASTM website,www.astm.org,or
14、contact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3The last approved version of this historical standard is referenced onwww.astm.org.4Available from American National Standards Institu
15、te(ANSI),25 W.43rd St.,4th Floor,New York,NY 10036,http:/www.ansi.org.5DLA Document Services Building 4/D 700 Robbins Avenue Philadelphia,PA19111-5094 http:/quicksearch.dla.mil/*A Summary of Changes section appears at the end of this standardCopyright ASTM International,100 Barr Harbor Drive,PO Box
16、C700,West Conshohocken,PA 19428-2959.United States1 2.5 NSF Standard:NSF/ANSI 14 for Plastic Piping Components and RelatedMaterials62.6 ISO Standards:4ISO 1167 Thermoplastics pipes,fittings and assemblies forthe conveyance of fluids-Determination of the resistanceto internal pressure-Part 1:General methodISO 13760 Plastics pipes for the conveyance of fluids underpressure-Miners rule-Calculation method for cumu-lative damageISO R 161-1690 Pipes of Plastic Materials for the Transportof Fluids(Outs
