ASTM_D_4514_-_12.pdf

Designation:D451412Standard Specification forFriction Tape1This standard is issued under the fixed designation D4514;the number immediately following the designation indicates the year oforiginal adoption 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.Scope*1.1 This specification2covers friction tapes that are com-monly used for protecting,and binding in place,insulationapplied to joints of electrical wires and cables,and for othermechanical purposes.1.2 The values stated in inch-pound units are to be regardedas the standard.The values in parentheses are for informationonly.2.Referenced Documents2.1 ASTM Standards:3D69 Test Methods for Friction TapesD1711 Terminology Relating to Electrical InsulationD3636 Practice for Sampling and Judging Quality of SolidElectrical Insulating MaterialsD5118/D5118M Practice for Fabrication of Fiberboard Ship-ping Boxes2.2 Federal Specifications:PPP-B-566 Boxes,Folding,Paperboard2.3 Federal Standards:Fed.Std.No.123 Marking for Shipment(Civil Agencies)42.4 Military Standards:MIL-STD-129 Marking for Shipment and Storage43.Terminology3.1 DefinitionsFor definitions of terms used in thisspecification,refer to Terminology D1711.4.Materials and Manufacture4.1 The tape shall consist of a woven fabric sheetingimpregnated with an adhesive insulating compound,cut intorolls of narrow width and wound on a core.4.2 The fabric sheeting shall be evenly and firmly wovenand as free of unsightly defects,dirt,knots,lumps andirregularities of twist as is consistent with the best manufac-turing practices.The threads shall run in lines as straight aspossible without weaving,to reduce to a minimum the ravelingof the cloth when cut into tape.4.3 The frictioning compound shall be a tacky adhesiveinsulating compound that will not have a deteriorating effect oncopper or other metals or on the fabric.4.4 The fabric shall be thoroughly impregnated and evenlycovered on both sides with the frictioning compound.Thecompound shall adhere firmly to the fabric and shall not pullaway from the fabric and leave bare spots when adjacent layersof tape are separated.5.General Requirements5.1 Friction tapes shall meet the requirements given in Table1 when tested in accordance with Test Methods D69.5.2 When discoloration of the surface on which the tape isto be applied is an important consideration,the purchaser mayrequest that the tape must pass the test for discoloration ofcopper in accordance with Test Methods D69.6.Dimensions and Permissible Variations6.1 The nominal dimensions and their permissible varia-tions when measured by the procedures of Test Methods D69are presented in Table 2.7.Test Methods7.1 The selection of the rolls,conditioning,and testing shallbe in accordance with Test Methods D69.8.Inspection8.1 Inspection of the material shall be made as agreed uponbetween the purchaser and the seller as part of the purchasecontract.8.2 If it is required,the tape shall be tested and inspectedeither at the place of manufacture prior to shipment or at theplace of delivery within four weeks from the date of delivery.9.Rejection9.1 The purchaser reserves the right to reject any part of theshipment that does not comply with Section 11 of thisspecification.1This specification is under the jurisdiction of ASTM Committee D09 onElectrical and Electronic Insulating Materials and is the direct responsibility ofSubcommittee D09.07 on Flexible and Rigid Insulating Materials.Current edition approved April 1,2012.Published April 2012.Originallyapproved in 1985.Last previous edition approved in 2006 as D4514 06.DOI:10.1520/D4514-12.2This specification was formerly part of Test Method D69.3For referenced ASTM standards,visit the ASTM website,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.4Available from Standardization Documents Order Desk,Bldg.4 Section D,700Robbins Ave.,Philadelphia,PA 19111-5094,Attn:NPODS.*A Summary of Changes section appears at the end of this standardCopyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 9.2 The purchaser reserves the right to reject a shipmentfrom which two or more sample rolls fail to meet therequirements of any individual test or measurement prescribedin this specification,without additional sampling.If only onesample roll fails an individual test or measurement or theaverage length of the sample rolls exceeds the prescribedvalue,a second set of samples shall be taken in accordancewith Test Methods D69,and all rolls in the second samplingshall be subjected to that test or measurement wherein thefailure occurred.The purchaser reserves the right to reject theshipment if the second sampling fails to conform with theapplicable requirement.10.Aging and