ASTM D 2852-1989 苯乙烯橡胶(SR)塑料排水管及配件
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来源:标准资料网
【英文标准名称】:Styrene-Rubber(SR)PlasticDrainPipeandFittings
【原文标准名称】:苯乙烯橡胶(SR)塑料排水管及配件
【标准号】:ASTMD2852-1989
【标准状态】:作废
【国别】:美国
【发布日期】:1989
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:橡胶;苯乙烯;排水管;塑料制品;塑料管;塑料;配件;建筑;管
【英文主题词】:pipes;plasticpipes;construction;plastics;styrene;rubber;plasticsproducts;drainpipes;fittings
【摘要】:
【中国标准分类号】:Q81
【国际标准分类号】:23_040_20
【页数】:6P;A4
【正文语种】:英语
基本信息
标准名称: | 自动换刀机床用7:24圆锥工具柄部40、45和50号圆锥柄 |
英文名称: | Tool shanks with 7:24 taper for automatic tool changers; Shanks Nos.40.45 and 50 |
中标分类: |
机械 >>
工艺装备 >>
刀具 |
ICS分类: |
机械制造 >>
切削工具 >>
钻头、锪钻、铰刀
|
替代情况: | 被GB/T 10944.1-2006;GB/T 10944.2-2006代替 |
发布部门: | 中国机械工业联合会 |
发布日期: | 1989-03-31 |
实施日期: | 1990-01-01 |
首发日期: | 1989-03-31 |
作废日期: | 2007-06-01 |
主管部门: | 中国机械工业联合会 |
归口单位: | 全国刀具标准化技术委员会 |
起草单位: | 成都工具所 |
出版社: | 中国标准出版社 |
出版日期: | 1900-01-01 |
页数: | 6页 |
适用范围
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前言
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目录
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引用标准
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所属分类: 机械 工艺装备 刀具 机械制造 切削工具 钻头 锪钻 铰刀
【英文标准名称】:ClassificationforSystemandBasisforSpecificationofCopolymersofVinylideneFluoride(VDF)withOtherFluorinatedMaterials(08.03)
【原文标准名称】:偏二氟乙烯(VDF)与其它氟化材料共聚物的详细规范依据和系统的分类
【标准号】:ANSI/ASTMD5575-1994
【标准状态】:作废
【国别】:美国
【发布日期】:1994
【实施或试行日期】:
【发布单位】:美国国家标准学会(ANSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:塑料
【英文主题词】:plastics
【摘要】:Thisclassificationsystemcoversbothdevelopingpropertydesignationsandspecificationsforthermoplasticcompositionsconsistingofvinylidenefluoride(VDF)polymersmodifiedwithotherfluoromonomersandproperty-enhancingadditives.Theotherfluoromonomersincludeoneormoreofthefollowing:hexafluoropropylene(HFP),tetrafluoroethylene(TFE),andchlorotrifluoroethylene(CTFE).Theadditivesarethosethatimproveitsflameresistance,processing,orphysicalproperties.However,theseadditivesarenotnormallyconsideredtobereinforcing.Thisclassificationsystemcoversthermoplasticcompositionssuppliedinpelletorpowderforms.Adesignationorspecificationappliesonlytothevirginpolymerspreparedfromvinylidenefluoride(50weight%)withoneormoreofthefollowingcomonomers:hexafluoropropylene,tetrafluoroethylene,andchlorotrifluoroethylene.Somepolymerscontainadditivestoenhancecertainproperties.ThissystemconstitutesalinecalloutasameansofdesignatingandspecifyingpropertiesofVDF-basedcopolymers.Atleastfourofthedesignatedpropertiesareusedtodefineapolymer'sspecification.Specificationcriteriafrominternationaldocumentscanbeusediftheircriteriamatchdesignationpropertiescurrentlyusedbythisclassificationsystem.Thisclassificationsystemisnotintendedfortheselectionofmaterials.Themanufacturerofthevirginresinshallestablishthedesignationofaresinbasedonthepropertyvaluecriteriainthisclassificationsystem.Theminimumspecificationpropertiesareestablishedbythisclassificationsystem.Additionalspecificationproperties,basedonthedesignationpropertiescited,canbeestablishedbytheresinsupplierandcustomer.ThevaluesstatedinSIunitsaretoberegardedasstandard.1.7ThepropertytestsareintendedtoprovideinformationforspecificationsofmodifiedVDF-copolymercompositions.Itisnotthepurposeofthisclassificationsystemtoprovideengineeringdatafordesignpurposes.Note1AlthoughthevalueslistedinTable1,Table2,Table3,Table4,Table5arenecessarytoincludetherangeofpropertiesavailableinexistingmaterials,theyarenottobeinterpretedasimplyingthateverypossiblecombinationofthepropertiesexistsorcanbeobtained.Itispossibleforauserordesigner,using,tocalloutpropertyrelationshipsthatarephysicallyimpossibletooccurinacopolymermadeusingcurrenttechnology.Note2Manyofthesepolymersexhibitpolymorphism.Thetypeandextentofcrystallinestructurewillvarywiththethermomechanicalhistoryofthesample.Propertiesvarybasedonthetechniqueusedtopreparethespecimens.Testmethodsusedinthisclassificationsystemcanresultintheincidentalproductionofhazardousmaterials.ModifiedVDFpolymerfluoroplasticsmeltbetween90and182?C(194and359?F)andarethermallystableuptoabout350?;C(662?F),orsomewhathigher,dependingonthecomposition.(Evolutionofcorrosive,colorless,andtoxichydrogenfluoridecanoccurundercertainconditions.)Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SeeWarninginandSectionforspecifichazardsstatements.Note3Many,butnotallofthecodesandspecificationsfoundinthisclassificationsystemarealsoinISO12086-1andISO12086-2.
【中国标准分类号】:G17
【国际标准分类号】:83_080_20
【页数】:
【正文语种】:英语