【英文标准名称】:StandardSpecificationforPoly(VinylChloride)Resins
【原文标准名称】:聚氯乙烯树脂标准规范
【标准号】:ASTMD1755-2009
【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】:D20.15
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:poly(vinylchloride);vinylchloridehomopolymer;Absorption--plastics;Conductanceandconductivity(electrical);Flowandflowrate--thermoplastics;Plasticizers--sorption;Plastics--specifications;Poly(vinylchloride)(PVC)--specifications;Poly(vinyl
【摘要】:1.1Thisspecificationcoverstheestablishmentofrequirementsforhomopolymersofvinylchlorideinoriginalpowderformintendedforsubsequentmixingandprocessinginthermoplasticcompositions.Theseresinshaveanominalspecificgravityof1.4andatheoreticalchlorinecontentof56.8%.1.2Twotypesofresinhavebeenrecognized:generalpurposeanddispersion.Whenmixedwiththecustomaryamountofplasticizer,general-purposeresinsyieldadryormoistpowderwhiledispersionresinsyieldaliquidslurry.Sincemanyresinsarepolymerizedtomeetspecialrequirements,asystemofclassificationhasbeenprovidedthatpermitsawidechoiceofgrades.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Note18212;ThisstandardandISO1264x2013;1980addressthesamesubjectmatter,butdifferintechnicalcontent(andresultscannotbedirectlycomparedbetweenthetwotestmethods.)
【中国标准分类号】:G32
【国际标准分类号】:83_080_10
【页数】:6P.;A4
【正文语种】:英语


【英文标准名称】:Dentistry-Numbercodingsystemforrotaryinstruments-Part7:specificcharacteristicsofmandrelsandspecialinstruments.
【原文标准名称】:牙科学.旋转器械的数字编码体系.第7部分:心轴和特殊器械的具体特性
【标准号】:NFS91-105-7-2006
【标准状态】:现行
【国别】:法国
【发布日期】:2006-06-01
【实施或试行日期】:2006-06-05
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:附件;特性;编码号;汇编;定义;牙科设备;牙科器械;牙科旋切器;牙科学;设计;命名体制;名称与符号;编码;心轴;企业编码;编号;编号体系;数字代码;数字标志;牙根管器械;形状;术语
【英文主题词】:
【摘要】:
【中国标准分类号】:C33
【国际标准分类号】:11_060_25
【页数】:9P;A4
【正文语种】:英语