Designation:F1891−12StandardSpecificationforArcandFlameResistantRainwear1ThisstandardisissuedunderthefixeddesignationF1891;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationestablishesapplicabletestmethods,minimumphysicalandthermalperformancecriteria,asug-gestedsizingguide,andsuggestedpurchasinginformationforrainwearforusebyworkerswhomaybeexposedtothermalhazardsofmomentaryelectricarcsandopenflames.1.1.1Thisspecificationdoesnotapplytotheelectricalcontacthazardsorelectricshockhazardsinvolvedwithelectricarcs.1.1.2Thisspecificationdoesnotapplytoflashfirehazardssuchasindustrialhydrocarbonflashfiresorotherpetrochemi-calflashfirehazards.1.2Theobjectiveofthisspecificationistoprescribefit,functionandperformancecriteriaforrainwearthatmeetsaminimumlevelofthermalandphysicalperformancewhenexposedtoalaboratory–simulatedelectricarcorflameexpo-sure.1.3Thisspecificationisnotintendedtoserveasadetailedmanufacturingorpurchasingspecification,butcanberefer-encedinpurchasecontractstoensurethatminimumperfor-mancerequirementsaremet.1.4Controlledlaboratorytestsusedtodeterminecompli-ancewiththeperformancerequirementsofthisspecificationshallnotbedeemedasestablishingperformancelevelsforallsituationstowhichwearersofthisprotectiveclothingmaybeexposed.1.5Thein-servicecareanduseofthisrainwearisbeyondthescopeofthisspecification.1.6Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.TheSIunitsshowninparenthesesareforinformationonly.1.7ThefollowingsafetyhazardscaveatpertainsonlytoSections7and9,ofthisspecification:Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.2.Referenced...
