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【英文标准名称】:Methodsoftestfordenseshapedrefractoryproducts-Determinationofbulkdensityofgranularmaterialsbythemercurymethodwithvacuum
【原文标准名称】:成形密实耐火制品的试验方法.真空汞法对颗粒状材料体积密度的测定
【标准号】:BSEN993-17-1999
【标准状态】:现行
【国别】:英国
【发布日期】:1999-05-15
【实施或试行日期】:1999-05-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:密度测量;体密度;松散材料密度;耐火材料;容积测量;陶瓷;成型耐火材料;方程;密度;粒状材料;试样制备;试验设备;耐火;试样
【英文主题词】:Bulkdensity;Ceramics;Definition;Definitions;Densimetry;Determination;Displacement;Inspection;Materials;Mercury;Methods;Particledensity;Particulatematerials;Rawmaterials;Refractability;Refractories;Refractorymaterials;Refractoryproducts;Shapedrefractories;Temperature;Testequipment;Testspecimens;Testing
【摘要】:ThisEuropeanStandardspecifiesthedeterminationofthebulkdensityofgranularrefractorymaterials(grainbulkdensity)havingagrainsizegreaterthan2mm,bythemercurymethodwithvacuum.NOTE1Thismethodisintendedasthereferencemethodbecauseofitsreproducibilityandsimplicityinuse.However,mercuryisknowntobeahazardoussubstance,andthereforethedeterminationofbulkdensityofgranularmaterialscanbecarriedoutaccordingtoprEN993-18.Thisstandard,whichdefinesamethodbywaterwithvacuum,isrecommendedforallroutinepurposes.Nevertheless,dependingonthenatureofthematerialtested,thetwomethodscangivedifferentresults.NOTE2Undertestconditions,applyingamercurypressureof26,5kPa,roundporeswithadiameter≥55μmandelongatedporeswithawidth≥27,5μmarepenetratedbymercury.
【中国标准分类号】:Q40
【国际标准分类号】:81_080
【页数】:10P.;A4
【正文语种】:英语


Product Code:SAE AMS3209
Title:Chloroprene (CR) Rubber, Weather Resistant, 65 - 75
Issuing Committee:Ams Ce Elastomers Committee
Scope:This specification covers a chloroprene (CR) rubber in the form of sheet, strip, tubing, extrusions, and molded shapes.