SAE AMS7471 Bolts And Screws, Corrosion And Heat Resistant Nickel Alloy Upsetheaded, Heat Treated, Roll Threaded (Cancel
作者:标准资料网 时间:2024-05-14 19:16:32 浏览:8332
来源:标准资料网
Product Code:SAE AMS7471
Title:Bolts And Screws, Corrosion And Heat Resistant Nickel Alloy Upsetheaded, Heat Treated, Roll Threaded (Cancelled Jul 2002)
Issuing Committee:Ams F Corrosion Heat Resistant Alloys Committee
Scope:
【英文标准名称】:DTU65.3-Buildingworks-Heatexchangeinstallationsforpressurisedhotwater-Part:Technicalspecifications.
【原文标准名称】:DTU65.3.建筑工程.加压热水的热交换装置.技术规范
【标准号】:NFP52-211-1/A1-2000
【标准状态】:现行
【国别】:法国
【发布日期】:2000-10-01
【实施或试行日期】:2000-10-20
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Buildings;Canals;Classification;Contracts;Controllers;Heatexchangers;Heatinginstallations;Hydraulictests;Installationlocations;Pressure;Pressuretesting;Pumps;Specification;Temperature;Testing;Valves;Ventilation;Warmwater;Welders
【摘要】:
【中国标准分类号】:Q83
【国际标准分类号】:91_140_10
【页数】:3P.;A4
【正文语种】:其他
【英文标准名称】:StandardTestMethodforColorDevelopmentinTintedLatexPaints
【原文标准名称】:有色乳胶涂料显色的标准试验方法
【标准号】:ASTMD5326-1994a(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:1994
【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】:D01.42
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:color;colordevelopment;coloruniformity;colorants;tintability;Color--paints/relatedcoatings/materials;Colorants;Colordevelopment/uniformity;Latexpaints;Tintability;Tintingstrength
【摘要】:Acolorantsometimesfailstodispersecompletelyinabasepaintduetopoorcompatibility,whichcanbethefaultofthecolorant,thepaint,orboth.Thiswillresultinpoorcolordevelopment,whichisreadilymanifestedbythecommonprocedureofapplyingthepaintwithadoctorbladeandsubjectingthedrawdowntohighshearstressbyfinger-rubbingasmallareaofthepartiallydryfilm.Thistendstodisperseundevelopedcolorant,ifany,andproducesacolorvariationbetweentheunshearedandshearedareasofthepaintfilm.Thevariationcanbemeasuredcolorimetricallytogiveanumericalcolordifferencevaluethatisameasureofthecolordevelopmentoftheoriginalpaint,thesmallerthedifferencethebetterthecolordevelopmentandviceversa.Colordifferencevaluesobtainedbyfinger-rubbingwerefoundtovarywidelyforthesameaswellasamongdifferentoperators.Thistestmethodestablishesacontrolledshear-stressprocedureanalogoustothefingerrub-uptest,butwithfarbetterreproducibility.Poorcolordevelopmentcanbeaproblemintheproductionofpaints,andintheirperformanceinthefield.Inproductionitcausesalossofcolorantmonetaryvalue,andunpredictabletintingresults.Infieldperformanceitresultsincolorvariationsintheappliedpaintfilmduetothevaryingshearforcestowhichthepaintissubjectedatdifferentstagesorbydifferentmodesofapplication.Althoughpoorcolordevelopmentisprimarilyandmostoftenrelatedtothecolorantportionofatintedpaint,thewhitepigmentinthebasepaintcanalsobepoorlydevelopedduetoflocculationorothercauses.Inthelattercase,sheardispersioncanmakethepaintfilmlighterandlesscolorful,ratherthanthereverse.Thentoo,thecolorantandthewhitemightbothbepoorlydeveloped,andthecolorchangeduetoshearstresswouldthenbethecombinedeffectofboth.Inanycase,colordevelopmentisanimportantpaintproperty,forthemeasurementofwhichthistestmethodisintendedtoprovideagenerallyacceptedandreproducibletestmethod.1.1Thistestmethodcoversaprocedureformeasuringcolordevelopmentintintedlatexpaints,forthepurposeofdeterminingtheefficiencyofcolorants,thetintabilityofbasepaintsandthepotentialforpoorcoloruniformityofappliedpaintfilms.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G38
【国际标准分类号】:87_040
【页数】:3P.;A4
【正文语种】:英语
