EN 1876-1-1997 橡胶或塑料涂覆织物.低温试验.第1部分:弯曲试验
作者:标准资料网 时间:2024-05-17 18:56:02 浏览:9766
来源:标准资料网
【英文标准名称】:Rubberorplasticscoatedfabrics-Lowtemperaturestests-Part1:Bendingtest;GermanversionEN1876-1:1997
【原文标准名称】:橡胶或塑料涂覆织物.低温试验.第1部分:弯曲试验
【标准号】:EN1876-1-1997
【标准状态】:现行
【国别】:
【发布日期】:1998-01
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:橡胶;布;试验;塑料;塑料制品;纺织材料;橡胶制品;低温试验;弯曲试验;涂层织物;材料试验;抗弯强度
【英文主题词】:Bendtesting;Bendingstrength;Cloth;Coatedfabrics;Coatedmaterials;Coatings;Low-temperaturetesting;Materialstesting;Plastics;Plasticsproducts;Rubber;Rubberproducts;Temperaturemethod;Testing;Textiles
【摘要】:
【中国标准分类号】:W59
【国际标准分类号】:59_080_40
【页数】:7P.;A4
【正文语种】:英语
基本信息
标准名称: | 烟草机械 WQ71~78、WQ711~714型隧道式叶丝回潮机 |
英文名称: | Tobacco machinery-Model WQ 71 to 78 WQ 711 to 714 conditioning tunnel for cut tobacco |
中标分类: |
食品 >>
食品加工机械 >>
制烟机械 |
发布日期: | 1996-07-08 |
实施日期: | 1996-11-01 |
首发日期: | |
作废日期: | 2006-02-27 |
出版日期: | |
页数: | 10页 |
适用范围
没有内容
前言
没有内容
目录
没有内容
引用标准
没有内容
所属分类: 食品 食品加工机械 制烟机械
【英文标准名称】:StandardTestMethodforVisualEvaluationofGlossDifferencesBetweenSurfacesofSimilarAppearance
【原文标准名称】:类似外表的表面之间不同光泽的目视评定标准试验方法
【标准号】:ASTMD4449-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:E12.11
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:distinctnessofimage;gloss;haze;visualgloss;Reflectanceandreflectivity--paints/relatedcoatings/materials;Surfaceanalysis--paints/relatedcoatings/materials;Visualexamination--paints/relatedcoatings/materials;Absorption;Angleofincidence;
【摘要】:Glossisassociatedwiththecapacityofasurfacetoreflectmorelightinsomedirectionsthaninothers.Thedirectionsassociatedwithmirror(orspecular)reflectionnormallyhavethehighestreflectances.Glossisbestseenandanalyzedwhenthesurfacesstudiedareilluminatedbyalightsourcethatprovidesstrongcontrastingpatternsoflightanddark.Suchalightsourceisdescribedinthistestmethod.Thesimplestconceptofglossisthatitcorrespondstothemirror-likereflectancesofsurfaces.However,thedistributionsandintensitiesofthissurface-reflectedlightare(forrealmaterials)highlyvariableandaffectedbyavarietyoffactors:surfacesmoothnessandcontour,refractiveindex,absorptance,angleofincidence,and(toagenerallysmallextent)wavelength.Fromthegreatvarietyofsurface-reflectionpatternsmetinmaterialsofcommerce,ithasbeenpossibletoidentifysevensurface-reflectioncriteriaorx201C;typesofglossx201D;regularlyusedbyskilledtechnologistsforintercomparingandratingtheirproductsforgloss.Sixofthesevencriteria,orx201C;typesofgloss,x201D;areidentifiedinthesectionondefinitions.Theseventh,lusterorcontrastgloss,isseldomofconcerntothecoatingsindustry.1.1Thistestmethodcoversthevisualevaluationofglossdifferencesofcoatingsurfaces,usingspecialtypesoflampsforillumination.Itidentifiessixaspectsortypesofglossthatonemaylookforwhenusingthelamptoassessglossdifferencesbetweensurfaces.Itdescribestheconditionsforusingthelampstobestidentifysmalldifferencesineachofthesixtypesofgloss.Fourlevelsofvisualglossdifferencesaredistinguished.1.2Whilethistechniqueisusefulforbothweatheredandunweatheredspecimens,ithasnotbeenappliedtometallics.1.3Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityofwhoeverusesthisstandardtoconsultandestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G51
【国际标准分类号】:87_040
【页数】:6P.;A4
【正文语种】:英语