【英文标准名称】:StandardTestMethodforResistancetoPunctureofCushionedResilientFloorCoverings
【原文标准名称】:减震弹性地板覆盖物的耐刺穿的标准试验方法
【标准号】:ASTMF924-1990(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:1990
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:F06.30
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:cushion;drop;pointedobject;puncture;resilientflooring;Cylindricaldartmethod;Free-fallingdartmethod;Puncturetesting;Resilientflooring
【摘要】:Muchofthecushionedresilientflooringinusetodayisinhouseholdkitchens.Kitchenflooringisfrequentlysubjectedtothehazardofdroppedtablewareandcuttingknives,thatcanpuncturethewearlayerofcushionedresilientflooring.Foodandsoilthatbecomeembeddedinthesepuncturesoftencannotberemovedbyordinarymaintenance,resultinginunsightlymarks.Moisture,grease,oroilsthatpenetratetothecushionlayercanbewickedintothefoamandcausepermanentdiscoloration.Ultimately,theservicelifeofthematerialisshortened.1.1Thistestmethodcoversthelaboratoryprocedurefordeterminingtheresistanceofcushionedresilientfloorcoveringstopuncturesfromdroppedpointedobjectssuchasdinnerforks.1.2Thistestmethodemploysa35-gcylindricaldartwithaflat,small-diametertipthatisdroppedontoaspecimenofflooring.Thedartrepresentstheweightofatypicalforkandthetipproducesasimilarpuncturetothosewhichresultfromdroppedforks.1.3Flooringwiththickwearlayersmaynotpunctureundereventhemostseveredrop.Althoughdatacanbeobtainedbyincreasingthedropheightortheweightofthedart,valuesofthismagnitudehavenopracticalapplication.1.4Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityofwhoeverusesthisstandardtoconsultandestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityandregulatorylimitationspriortouse.Forspecificprecautionstatementsee8.2.
【中国标准分类号】:Q17
【国际标准分类号】:
【页数】:4P.;A4
【正文语种】:英语