1、Designation: D4967 99 (Reapproved 2013)Standard Guide forSelecting Materials to Be Used for Insulation, Jacketing andStrength Components in Fiber-Optic Cables1This standard is issued under the fixed designation D4967; the number immediately following the designation indicates the year oforiginal ado
2、ption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope1.1 This guide is intended to provide a list of materialscommonly used in c
3、omponents that provide insulation, jacket-ing and strength in fiber-optic cables. Where these materials arecovered by ASTM standards, an appropriate reference is made.Due to changing technology, not all materials being used arenecessarily listed here.1.2 This guide does not include materials used in
4、 compo-nents for optical purposes (optical fiber and its coating) orexternal metallic armoring (such as for a barrier to rodents).1.3 This guide offers two general lists of materials:1.3.1 A subdivision of fiber-optic cable construction intocomponents that are used for insulation, jacketing, or stre
5、ngth,with a generic material classification for specific applicationsin each component (see Section 5); and1.3.2 An alphabetical list of the generic materialclassifications, showing ASTM standards where they exist (seeTable 1).2. Referenced Documents2.1 ASTM Standards:2D1248 Specification for Polyet
6、hylene Plastics ExtrusionMaterials for Wire and CableD1457 Specification for Polytetrafluoroethylene (PTFE)Molding and Extrusion Materials (Withdrawn 1996)3D1711 Terminology Relating to Electrical InsulationD2116 Specification for FEP-Fluorocarbon Molding andExtrusion MaterialsD2287 Specification fo
7、r Nonrigid Vinyl Chloride Polymerand Copolymer Molding and Extrusion CompoundsD2526 Specification for Ozone-Resisting Silicone RubberInsulation for Wire and Cable (Withdrawn 2006)3D3159 Specification for Modified ETFE FluoropolymerMolding and Extrusion MaterialsD3222 Specification for Unmodified Pol
8、y(Vinylidene Fluo-ride) (PVDF) Molding Extrusion and Coating MaterialsD3275 Classification System for E-CTFE-FluoroplasticMolding, Extrusion, and Coating MaterialsD3307 Specification for Perfluoroalkoxy (PFA) Resin Mold-ing and Extrusion MaterialsD3317 Specification for High Modulus, Organix Yarn an
9、dRoving (Withdrawn 1985)3D3664 Specification for Biaxially Oriented Polymeric ResinFilm for Capacitors in Electrical EquipmentD3935 Classification System and Basis for Specification forPolycarbonate (PC) Unfilled and Reinforced MaterialD4066 Classification System for Nylon Injection and Extru-sion M
10、aterials (PA)D4101 Specification for Polypropylene Injection and Extru-sion MaterialsD4246 Specification for Ozone-Resistant ThermoplasticElastomer Insulation For Wire and Cable, 90C OperationD4507 Specification for Thermoplastic Polyester (TPES)Materials (Withdrawn 1999)3D4730 Specification for Flo
11、oding Compounds for Telecom-munications Wire and CableD4731 Specification for Hot-Application Filling Com-pounds for Telecommunications Wire and CableD4732 Specification for Cool-Application Filling Com-pounds for Telecommunications Wire and Cable3. Terminology3.1 DefinitionsFor definitions of terms
12、 used in this guide,refer to Terminology D1711.3.2 Definitions of Terms Specific to This Standard:3.2.1 buffer, na material that is applied over an opticalfibers protective coating to further protect the fiber fromphysical damage and provide mechanical protection.3.2.2 composite buffer, npolymeric m
13、aterial(s) surround-ing the optical fiber so that the inner layer is in intimate contactwith the fiber cladding or coating with a tightly extruded buffermaterial overall.1This guide is under the jurisdiction of ASTM Committee D09 on Electrical andElectronic Insulating Materials and is the direct res
14、ponsibility of SubcommitteeD09.07 on Electrical Insulating Materials.Current edition approved Nov. 1, 2013. Published December 2013. Originallyapproved in 1989. Last previous edition approved in 2009 as D4967 99 (2009).DOI: 10.1520/D4967-99R13.2For referenced ASTM standards, visit the ASTM website,
15、www.astm.org, orcontact 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.Copyright ASTM International, 100
16、 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States13.2.3 loose tube(s), na buffer material that surrounds theoptical fiber(s) so that it forms a tube or channel whose insidedimension is greater than the fibers outside diameter (orcombined diameters).3.2.3.1 DiscussionWh
17、en required, the space between thefiber(s) and the inside of the tube may be filled with a suitablefilling compound or with strength or cushioning elements, orboth.3.2.4 slotted core, nan element(s) with helical groovesassembled around a central strength member, in which opticalfibers, optical fiber
18、 ribbons or copper conductors can be placed.3.2.5 strength member(s), nmaterial(s) used in fiber opticcable construction which provide mechanical integrity andstability.3.2.6 tight buffer, na material surrounding the optical fiberso that it is in intimate contact with the coating on the fiber.4. Sig
19、nificance and Use4.1 The lists of components and materials are useful inenhancing the users understanding of the technology andconstruction of fiber-optics cables and the development ofperformance standards for cables.4.2 This guide is intended for use by all parties involvedwith fiber optics: mater
20、ials suppliers, cable manufacturers, andend-users.5. Construction Terminology and Material SelectionOptions5.1 Fiber-optic cable components and materials that havebeen used for each:5.1.1 Buffers/Tubes:5.1.1.1 Tight Buffers:(a) Fluoroplastic.(b) Nylon.(c) Thermoplastic Polyester.(d) Poly(vinyl chlor
21、ide).5.1.1.2 Loose Tubes:(a) Fluoroplastic.(b) Nylon.(c) Thermoplastic Polyester.(d) Polycarbonate.(e) Polyethylene.5.1.1.3 Composite BuffersSilicone rubber.5.1.1.4 Slotted Cores:(a) Polyethylene.(b) Polypropylene.5.1.1.5 PipesPolyethylene.5.1.1.6 Sheaths:(a) Fluoroplastic.(b) Nylon.(c) Silicone rub
22、ber.(d) Thermoplastic elastomer.(e) Polyethylene.5.1.1.7 Ribbons:(a) Acrylates.(b) Silicone Rubber.5.1.2 Jackets:5.1.2.1 Outside Jackets:(a) Fluoroplastics: Ethylene Tetrafluoroethylene (ETFE),Ethylene-chlorotrifluoroethylene (ECTFE), Perfluoroalkoxy(PFA), Polytetrafluoroethylene (PTFE), Polyvinylid
23、ene Fluo-ride (PVDF).(b) Polyethylene.(c) Poly(vinyl chloride).(d) Thermoplastic elastomer.5.1.2.2 Inner Jackets:(a) Fluoroplastics (ECTFE, PVDF).(b) Polyethylene.(c) Polyurethane.(d) Poly(vinyl chloride).(e) Thermoplastic elastomer.5.1.3 Strength Members:5.1.3.1 Aramid fibers.5.1.3.2 Glass-fiber re
24、inforced plastic.5.1.3.3 Glass fibers.5.1.3.4 Steel.5.1.4 Wrapping Tapes:5.1.4.1 Aramid.5.1.4.2 Polyester.5.1.4.3 Polyimide.5.1.5 Filling and Flooding Compounds:5.1.5.1 Grease and similar materials.5.1.5.2 Polybutylene.5.1.5.3 Rubber.6. Materials in Current Use6.1 Table 1 lists materials in current
25、use as defined in theapplicable ASTM specification. It is intended only as a guideTABLE 1 Materials in Current UseMaterial ASTM SpecificationAcrylates .Aramids:fibers D3317tape .Fluoroplastics:ECTFE D3275ETFE D3159FEP D2116PFA D3307PTFE D1457PVDF D3222Glass fibers .Glass-fiber reinforced plastics .G
26、rease and similar materials D4730, D4731, D4732Nylon D4066Polybutylene D4730, D4731, D4732Polycarbonate D3935Polyester tape D3664Polyethylene D1248Polyimide tape .Polypropylene D4101Polyurethane .Poly(vinyl chloride) D2287Rubber D4730, D4731, D4732Silicone rubber D2526Steel .Thermoplastic elastomer
27、D4246Thermoplastic polyester D4507D4967 99 (2013)2and does not include all possible classifications. It is not afunction of this guide to provide specific engineering data fordesign purposes.7. Keywords7.1 acrylates; aramids; fluoroplastics; glass fibers; glass-fibers reinforced plastics; grease and
28、 similar materials; nylon;polybutylene; polycarbonate; polyester tape; polyethylene;polyimide tape; polypropylene; polyurethane; poly(vinyl chlo-ride); rubber; silicone rubber; steel; thermoplastic elastomer;thermoplastic polyesterASTM International takes no position respecting the validity of any p
29、atent rights asserted in connection with any item mentionedin this standard. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the riskof infringement of such rights, are entirely their own responsibility.This standard is subject to revisi
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31、mments will receive careful consideration at a meeting of theresponsible technical committee, which you may attend. If you feel that your comments have not received a fair hearing you shouldmake your views known to the ASTM Committee on Standards, at the address shown below.This standard is copyrigh
32、ted by ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959,United States. Individual reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the aboveaddress or at 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org). Permission rights to photocopy the standard may also be secured from the Copyright Clearance Center, 222Rosewood Drive, Danvers, MA 01923, Tel: (978) 646-2600; http:/ 99 (2013)3
