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ASTM F1506-2010 Standard Performance Specification for Flame Resistant Textile Materials for Wearing Apparel for Use by Electrical Workers Exposed to Momentary Electric Arc and Rel.pdf

1、Designation: F1506 10Standard Performance Specification forFlame Resistant Textile Materials for Wearing Apparel forUse by Electrical Workers Exposed to Momentary ElectricArc and Related Thermal Hazards1This standard is issued under the fixed designation F1506; the number immediately following the d

2、esignation 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. Scope1.1 This performance specificat

3、ion covers the flame resis-tance of textile materials to be used for wearing apparel for useby electrical workers exposed to momentary electric arc andrelated thermal hazards.NOTE 1This performance specification does not cover coated fabricscommonly used in rainwear.NOTE 2At present, a bench scale a

4、rc test for laboratory use is notavailable. It is the intent of the committee to continue the search for anacceptable laboratory test based on either an electric arc exposure or anacceptable alternative, which will form the basis of a modification of thisperformance specification.1.2 Materials used

5、for basic protection levels are covered.1.3 Protective properties relate to thermal exposure frommomentary arc and associated exposure to open flame andradiant heat. (See Appendix X1.)1.4 This performance specification covers wearing appareldesign characteristics that relate specifically to protecti

6、on fromexposure to momentary electric arc and that relate to the utilityof the wearing apparel.NOTE 3A number of other thermal test methods are under consider-ation and development and, when evaluated and proved effective byCommittee F18, will be incorporated in either this performance specifi-catio

7、n or an appropriate alternative test method or specification.1.5 This standard should be used to evaluate and describethe properties of materials, products, or assemblies in responseto heat and flame under controlled laboratory conditions. Itshould not be used to describe or appraise the fire hazard

8、 orfire risk of materials, products, or assemblies under actual fireconditions.1.5.1 The results of this evaluation may be used as elementsof a fire-risk assessment that takes into account all of thefactors that are pertinent to an assessment of the fire hazard ofa particular end use.1.6 The values

9、stated in SI units are to be regarded as thestandard. The values given in parentheses are for informationonly.1.7 The following precautionary caveat pertains only to thetest methods portion, Section 7, of this performance specifica-tion: This standard does not purport to address all of the safetycon

10、cerns, if any, associated with its use. It is the responsibilityof the user of this standard to establish appropriate safety andhealth practices and determine the applicability of regulatorylimitations prior to use.2. Referenced Documents2.1 ASTM Standards:2D123 Terminology Relating to TextilesD434

11、Test Method for Resistance to Slippage of Yarns inWoven Fabrics Using a Standard Seam3D1424 Test Method for Tearing Strength of Fabrics byFalling-Pendulum (Elmendorf-Type) ApparatusD2262 Test Method for Tearing Strength of Woven Fabricsby the Tongue (Single Rip) Method (Constant-Rate-of-Traverse Ten

12、sile Testing Machine)3D2724 Test Methods for Bonded, Fused, and LaminatedApparel FabricsD3786 Test Method for Bursting Strength of TextileFabricsDiaphragm Bursting Strength Tester MethodD5034 Test Method for Breaking Strength and Elongationof Textile Fabrics (Grab Test)D6413 Test Method for Flame Re

13、sistance of Textiles (Ver-tical Test)F1449 Guide for Industrial Laundering of Flame, Thermal,and Arc Resistant ClothingF1959/F1959M Test Method for Determining the Arc Rat-ing of Materials for Clothing1This performance specification is under the jurisdiction of ASTM CommitteeF18 on Electrical Protec

14、tive Equipment for Workers and is the direct responsibilityof Subcommittee F18.65 on Wearing Apparel.Current edition approved June 1, 2010. Published August 2010. Originallyapproved in 1994. Last previous edition approved in 2008 as F150608. DOI:10.1520/F1506-10.2For referenced ASTM standards, visit

15、 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.3Withdrawn. The last approved version of this historical standard is referencedon www.astm.org.1Co

16、pyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.2.2 AATCC Test Methods:4Method 61 Colorfastness to Washing, Domestic and Laun-dering, Commercial: AcceleratedMethod 132 Colorfastness to Dry-CleaningMethod 135 Dimensional Changes Automati

17、c Home Laun-dering of Woven and Knitted FabricsMethod 158 Dimensional Changes on Drycleaning in Per-chloroethylene: Machine Method2.3 Federal Standard:5Test Method 191A, 15343. Terminology3.1 DefinitionsFor definitions of textile terms used in thisperformance specification, refer to Terminology D123

18、.3.2 Definitions of Terms Specific to This Standard:3.2.1 afterflame, npersistent flaming of a material afterthe ignition source has been removed.3.2.1.1 DiscussionIn arc testing, a visible flaming on ornear a test specimen which persists after the arc exposure hasended. The afterflame ceases when f

19、laming is no longer visible.3.2.2 afterflame time, nthe length of time for which amaterial continues to flame after the ignition source has beenremoved.3.2.2.1 DiscussionIn arc testing, the length of time forwhich a specimen continues to exhibit a visible flaming asdetermined by a time display video

20、 recording of the specimenduring arc testing.3.2.3 arc rating, nvalue attributed to materials that de-scribes their performance to exposure to an electrical arcdischarge.3.2.3.1 DiscussionThe arc rating is expressed in cal/cm2and is derived from the determined value of ATPV or EBT-(should a material

21、 system exhibit a breakopen response belowthe ATPV value).3.2.4 arc thermal performance value (ATPV), nin arctesting, the incident energy on a material or a multilayer systemof materials that results in a 50 % probability that sufficientheat transfer through the tested specimen is predicted to cause

22、the onset of a second-degree skin burn injury based on theStoll6curve, cal/cm2.3.2.5 basic protection levelthe level of protection pro-vided by flame-resistant materials that do not continue to burnafter exposure to and removal of a source of ignition (see 7.6).3.2.6 basic protection level wearing a

23、pparelclothing in-tended for continuous wear for work activities in designatedlocations in which exposure to momentary electric arc andrelated radiant heat and open-flame sources is possible.3.2.7 breakopen threshold energy (EBT), nthe incidentenergy on a material or material system that results in

24、a 50 %probability of breakopen.3.2.7.1 DiscussionThis is the value in J/cm2(cal/cm2)determined by use of logistic regression analysis representingthe energy at which breakopen of the layer occurred.3.2.8 design test, nfor arc and flame resistant textilematerials, one made on a sample treated as repr

25、esentative of anindustrial product; these tests will not generally be repeated inquantity production.3.2.8.1 DiscussionPerform the design test only when anew or modified textile material, that is, fabric, is used tomanufacture apparel. A modification in the fabric could be, butis not limited to, any

26、 of the following: the supplier, composi-tion, weave type, weight, or dyeing and finishing process.3.2.9 findingsmiscellaneous fabrics in garments such aszipper tapes, linings, pockets, waistbands, and facings.3.2.10 momentary electric arca discharge of electricitythrough a gaseous media, normally c

27、haracterized by a voltagedrop in the immediate vicinity of the electrodes, approximatelyequal to the ionization potential of the gaseous media.3.2.11 radiant heatheat communicated by energy propa-gated through space and transmitted by electromagnetic waves.3.2.12 thermal hazardthe heat energy suffic

28、ient to causeburn injury to human tissue subjected to a momentary electricarc.3.2.13 userthe employer or entity purchasing the equip-ment to be utilized by workers for their protection; in theabsence of such an employer or entity, the individual purchas-ing and utilizing the protective equipment.4.

29、Significance and Use4.1 This performance specification provides performanceproperties for textile materials used in wearing apparel thatrepresent initial minimum requirements for basic protectionlevels.4.1.1 The performance properties have been selected basedon materials in use and take into conside

30、ration durabilityrequirements for specific apparel.4.2 Work practices vary from user to user depending uponmany factors. These may include, but are not limited to,operating system voltages, construction design, work proce-dure or techniques, and weather conditions. Therefore, exceptfor the restricti

31、ons set forth in this performance specificationbecause of design limitations, the use and maintenance of thisequipment is beyond the scope of this performance specifica-tion.4.2.1 It is common practice and the responsibility of the userof this type of protective equipment to prepare completeinstruct

32、ions and regulations to govern in detail the correct andsafe use of such equipment.5. Materials and Manufacture5.1 Material tests shall be performed on textile materials asthey are delivered to the clothing manufacturer.5.1.1 Material tests may be performed on samples takenfrom finished garments.5.2

33、 Lot size for the initial (without laundering) flammabilitytest shall be 4572 m (5000 yd) of manufactured fabric or themanufactured yardage, whichever is less. One sample of 1.0 mshall be taken from each lot.4AATCC Technical Manual, available from American Association of TextileChemists and Colorist

34、s, PO Box 12215, Research Triangle Park, NC 27709-2215.5Available from Standardization Documents Order Desk, Bldg. 4, Section D,700 Robbins Ave., Philadelphia, PA 191115094, Attn: NPODS.6Derived from: Stoll,A. M., and Chianta, M.A., “Method and Rating System forEvaluations of Thermal Protection,” Ae

35、rospace Medicine, Vol 40, 1969, pp.1232-1238 and Stoll, A. M., and Chianta, M. A., “Heat Transfer through Fabrics asRelated to Thermal Injury,” TransactionsNew York Academy of Sciences,Vol33(7) , Nov. 1971, pp. 649-670.F1506 1025.3 Lot size for all other tests except design tests shall be 45720 m (5

36、0 000 yd) or at least every three months, whichever ismore frequent. One sample of 4.0 m shall be taken from eachlot.5.4 Design tests shall be run on the original and whenchanges are made to flame resistant textile materials, forexample, fiber type, yarn type, weaving style, fabric weight,dyeing, or

37、 finishing procedure.6. Requirements6.1 Thread, findings, and closures used in garment construc-tion shall not contribute to the severity of injuries to the wearerin the event of a momentary electric arc and related thermalexposure.6.1.1 Sewing thread utilized in the construction of garmentsshall be

38、 made of an inherently flame-resistant fiber and shallnot melt when tested at a temperature of 260C (500F) inaccordance with Federal Test Method Standard 191A, 1534.6.1.2 When fasteners or closures, for example, zippers,snaps, or buttons, or a combination thereof, are used in amanner in which they a

39、re in contact with the skin, they canincrease heat transfer and burn injury due to heat conduction ormelting onto the skin. Fasteners or closures that are used in thismanner shall be covered with a layer of material between thefastener or closure and the skin. The material used for thispurpose shall

40、 meet the requirements of this performancespecification.6.2 The properties of materials for basic protection levelwearing apparel shall conform to the specifications in Table 1,Table 2 and Table 3 when evaluated in accordance with Section7.NOTE 4Physical characteristic tests and values in Section 7

41、and Table1 and Table 2 are based on experience from woven and knit fabricscurrently in use and may not be applicable to other fabric types.NOTE 5Characteristics (for example, clothing ensembles, design, andlaundry maintenance) of protective garments for basic protection levelwearing apparel should b

42、e guided by the information contained inAppendix X1.6.3 Garments shall be labeled with the following informa-tion:TABLE 1 Requirements, Woven FabricsFabric Weight Ranges, oz/yd2SectionReference3.05.9 6.08.4 8.5 and higherCharacteristic:Breaking load, min, N (lbf) 134 (30) 179 (40) 223 (50) 7.1Tear r

43、esistance, min, N (lbf) 11 (2.5) 18 (4.0) 22 (5.0) 7.2Seam slippage, max 6 mm at 134 N(0.25 in. at 30 lbf)6mmat179N(0.25 in. at 40 lbf)6mmat223N(0.25 in. at 50 lbf)7.3Colorfastness:Laundering shade change, min Class 3 Class 3 Class 3 7.4.1Dry-cleaning shade change, min Class 3 Class 3 Class 3 7.4.2D

44、imensional change, max 3.0 % 3.0 % 3.0 % 7.5Initial Flammability:A,BChar length, max, mm (in.) 152 (6.0) 152 (6.0) 152 (6.0) 7.6Afterflame, max, s 2 2 2 7.6Flammability After 25 Washes/Dry Cleaning:Char length, max, mm (in.) 152 (6.0) 152 (6.0) 152 (6.0) 7.6Afterflame, max, s 2 2 2 7.6Arc Test Resul

45、ts:Afterflame time, max, s (for single layer arc test specimens) 5 5 5 7.8.1Reported Values Arc Rating,Ccal/cm2Report measured valuesC7.8ACertain treated fabrics exhibit afterglow during the flammability test. This has been judged not a serious hazard. When afterglow occurs, extinguish it after 10 s

46、. Thenmeasure char length and record either the actual time, or greater than 10 s for afterglow in the report.BNo melting and dripping of the test material is permitted.CWhen the arc rating represents the ATPV, it shall be designated as arc rating (ATPV). When arc rating represents the EBT, it shall

47、 be designated as arc rating (EBT).Arc rating is determined and reported for a fabric that meets all the requirements of this performance specification to provide guidance on the performance of the fabricin arc exposure testing. There is no minimum required value for arc rating. For additional infor

48、mation on ATPV and EBT, see Test Method F1959/F1959M.TABLE 2 Requirements, Knit FabricsFabric Weight Ranges, g/m2(oz/yd2)SectionReference20100(0.53.0)101275(3.18.0)276(8.1)Characteristic:Bursting strength, min, kPa (psi) report only 275 (35) 345 (50) 7.7Colorfastness:Laundering shade change, min Cla

49、ss 3 Class 3 Class 3 7.4.1Dry-cleaning shade change, min Class 3 Class 3 Class 3 7.4.2Dimensional change, max . . . 7.5Initial Flammability:A,BChar length, max, mm (in.) 152 (6.0) 152 (6.0) 152 (6.0) 7.6Afterflame, max, s 2 2 2 7.6Flammability After 25 Washes/DryCleaning:7.6Char length, max, mm (in.) 152 (6.0) 152 (6.0) 152 (6.0) 7.6Afterflame, max, s 2 2 2 7.6Arc Test Results:Afterflame time, max, s (forsingle layer arc test specimens)555 7.8.1Reported Values Arc Rating,Ccal/cm2Report measuredvaluesC7.8.1ACertain treated fabrics exhibit afterglow d

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