BS EN 373-1993 防护服.材料耐熔融金属飞溅物的评定
时间:2024-05-11 13:59:29 来源: 标准资料网 作者：标准资料网 阅读：9195
【英文标准名称】:Protectiveclothing-Assessmentofresistanceofmaterialstomoltenmetalsplash
【原文标准名称】:防护服.材料耐熔融金属飞溅物的评定
【标准号】:BSEN373-1993
【标准状态】:作废
【国别】:英国
【发布日期】:1993-05-15
【实施或试行日期】:1993-05-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:高温防护;倾倒试验;热试验;渗透性试验;膜(物态);外观检查(试验);电路;试验条件;液体;金属;试样制备;纺织试验;试验设备;服饰;性能试验;防护服装;热防护;聚氯乙烯
【英文主题词】:
【摘要】:Thisstandardspecifiesamethodforassessingtheresistanceofmaterialsusedinprotectiveclothingtomoltenmetalsplash.Itisimportanttonotethatgoodresistanceofamaterialtoapuremoltenmetaldoesnotguaranteeagoodperformanceagainstanyslagthatmightbepresentinamanufacturingprocess.
【中国标准分类号】:C73
【国际标准分类号】:13_340_10
【页数】:16P;A4
【正文语种】:英语
【英文标准名称】:Mechanicalstandardizationofsemiconductordevices.Part3:Generalrulesforthepreparationofoutlinedrawingsofintegratedcircuits.
【原文标准名称】:半导体器件的机械标准化.第3部分:集成电路外形图绘制的一般规则.第3次补充
【标准号】:IEC60191-3C-1987
【标准状态】:作废
【国别】:国际
【发布日期】:1987
【实施或试行日期】:
【发布单位】:国际电工委员会(IEC)
【起草单位】:IEC/TC47
【标准类型】:()
【标准水平】:()
【中文主题词】:符号;电子设备及元件;外壳;电子工程;电气外壳;半导体器件;规则;集成电路;电气工程;作标记;半导体
【英文主题词】:integratedcircuits;rules;electricenclosures;marking;electronicequipmentandcomponents;electricalengineering;enclosures;semiconductordevices;symbols;electronicengineering;semiconductors
【摘要】:
【中国标准分类号】:L40
【国际标准分类号】:31_200;01_080_30
【页数】:
【正文语种】:英语
【英文标准名称】:StandardPracticeforSeparationandIdentificationofPoly(VinylChloride)(PVC)ContaminationinPoly(EthyleneTerephthalate)(PET)Flake
【原文标准名称】:聚乙烯对酞酰小片中聚氯乙烯杂质分离和鉴定的标准操作
【标准号】:ASTMD5991-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:D20.95
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:contamination;poly(ethyleneterephthalate)(PET);poly(vinylchloride)(PVC);recycledplastics;Contamination--plastics;Identification;PET(poly(ethyleneterephthalate));Poly(vinylchloride)(PVC);Recycledplastics
【摘要】:PresenceofevenlowconcentrationsofPVCinrecycledPETflakesmayresultinequipmentcorrosionproblemsduringprocessing.ThelevelofPVCcontaminationmayalsodictatethemarketforuseoftherecycledpolymerinsecondaryproducts.Procedurespresentedinthispracticeareusedtoidentifyand,ifdesired,estimatetheconcentrationofPVCcontaminationinrecycledPETflakes.1.1Thispracticecoversfourproceduresforseparationandqualitativeidentificationofpoly(vinylchloride)(PVC)contaminationinpoly(ethyleneterephthalate)(PET)flakes.Note18212;Althoughnotpresentedasaquantitativemethod,procedurespresentedinthispracticemaybeusedtoprovidequantitativeresultsatthediscretionoftheuser.Theuserassumestheresponsibilitytoverifythereproducibilityofquantitativeresults.DatafromanindependentsourcesuggestaPVCdetectionlevelof200ppm(w/w)basedonanoriginalsampleweightof454g.1.2ProcedureAisbasedondifferentfluorescenceofPVCandPETwhenthesepolymersareexposedtoultraviolet(UV)light.1.3ProcedureBisanoventestbaseduponthecharringofPVCwhenitisheatedinairat235x00B0;C.1.4ProceduresCandDaredyetestsbasedondifferentialstainingofPVCandPET.Note28212;Otherpolymers(forexample,PETG)alsoabsorbthestainorbrightener.SuchinterferenceswillresultinfalsepositiveidentificationofPVCasthecontaminant.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.ForspecifichazardsseeSection8.Note38212;ThereisnoknownISOequivalenttothispractice.
【中国标准分类号】:G31
【国际标准分类号】:83_080_10
【页数】:3P.;A4
【正文语种】:英语