1、Designation:D315/D315M95(Reapproved 2017)Standard Specification forWoven Asbestos Tape1This standard is issued under the fixed designation D315/D315M;the number immediately following the designation indicates the yearof original adoption or,in the case of revision,the year of last revision.A number
2、in parentheses indicates the year of last reapproval.A superscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This specification covers woven asbestos tape having aminimum of 75%asbestos fiber by weight,excluding theweight of other inorganic reinforcing s
3、trands that may bepresent.1.2 The values stated in either SI units or inch-pound unitsare to be regarded separately as standard.The values stated ineach system may not be exact equivalents;therefore,eachsystem shall be used independently of the other.Combiningvalues from the two systems may result i
4、n non-conformancewith the standard.1.3 WarningBreathing of asbestos dust is hazardous.Asbestos and asbestos products present demonstrated healthrisks for users and for those with whom they come into contact.In addition to other precautions,when working with asbestos-cement products,minimize the dust
5、 that results.For informa-tion on the safe use of chrysoltile asbestos,refer to“Safe Useof Chrysotile Asbestos:A Manual on Preventive and ControlMeasures.”21.4 The following safety hazards caveat pertains only to thetest methods,Section 13,described in this specification:Thisstandard does not purpor
6、t to address all of the safety concerns,if any,associated with its use.It is the responsibility of the userof this standard to establish appropriate safety and healthpractices and determine the applicability of regulatory limita-tions prior to use.For specific hazard warning,see 1.3.1.5 This interna
7、tional standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Commit
8、tee.2.Referenced Documents2.1 ASTM Standards:3D123 Terminology Relating to TextilesD299 Specification for Asbestos YarnsD1118 Test Method for Magnetic Rating of Asbestos Fiberand Asbestos TextilesD1682 Test Method for Breaking Load and Elongation ofTextile Fabric(Withdrawn 1992)4D1777 Test Method fo
9、r Thickness of Textile MaterialsD1918 Test Method for Asbestos Content of Asbestos Tex-tilesD2100 Specification for Asbestos Textiles Used for Electri-cal Insulating PurposesD2946 Terminology for Asbestos and AsbestosCementProductsD3774 Test Method for Width of Textile FabricD3775 Test Method for Wa
10、rp(End)and Filling(Pick)Countof Woven Fabrics3.Terminology3.1 For definitions of other textile terms used in thisspecification,refer to Terminology D123.For asbestos terms,refer to Terminology D2946.3.2 asbestos textile,nthe hydrous magnesium silicateserpentine mineral designated as chrysotile and h
11、aving theempirical formula Mg3Si2O5(OH)4.4.Classification4.1 ClassesThe classes of asbestos tapes are based on thenature of the yarns from which they are woven.4.1.1 Class ATape constructed of asbestos yarns contain-ing no reinforcing standards.4.1.2 Class BTape constructed of asbestos yarns contain
12、-ing wire reinforcement.4.1.3 Class CTape constructed of asbestos yarns contain-ing organic reinforcing strands.1This specification is under the jurisdiction of ASTM Committee C17 onFiber-Reinforced Cement Products and is the direct responsibility of SubcommitteeC17.03 on Asbestos-Cement Sheet Produ
13、cts and Accessories.Current edition approved June 1,2017.Published July 2017.Originally approvedin 1929.Last previous edition approved in 2009 as D315 95(2009)1.DOI:10.1520/D0315_D0315M-95R17.2Available from The Asbestos Institute,http:/ referenced ASTM standards,visit the ASTM website,www.astm.org,
14、orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.4The last approved version of this historical standard is referenced onwww.astm.org.Copyright ASTM International,100 Barr Harbor Driv
15、e,PO Box C700,West Conshohocken,PA 19428-2959.United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recommendations issued b
16、y the World Trade Organization Technical Barriers to Trade(TBT)Committee.1 4.1.4 Class DTape constructed of asbestos yarns contain-ing nonmetallic inorganic reinforcing strands.4.1.5 Class ETape constructed of two or more of the yarnsused in tape classes A through D.4.2 GradesThe grades of asbestos tape are based on thepercentage of asbestos content by mass as stated in Table 1.4.3 Types:4.3.1 Asbestos tubing as made for the electrical industry isfurnished in three types,classified on the basis