MIL-S-14823A (NOTICE 1), MILITARY SPECIFICATION: STOP WATCH, MILITARY (03 NOV 1997) [S/S BY A-A-55811]., MIL-S-14823A, dated 24 March 1988, is hereby canceled and replaced with commercial itemdescription A-A-55811.
基本信息
| 标准名称： | 肥皂中总碱量和总脂肪物含量的测定 |
| 中标分类： |
轻工、文化与生活用品 >>
日用化工品 >>
牙膏、肥皂、洗涤剂 |
| ICS分类： |
化工技术 >>
化工产品 >>
美容品、化妆品
|
| 替代情况： | 原标准号GB/T 7457-1987;被QB/T 2623.3-2003代替 |
| 发布日期： | |
| 实施日期： | 1999-04-21 |
| 首发日期： | |
| 作废日期： | 2004-05-01 |
| 出版日期： | |
| 页数： | 7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： 轻工 文化与生活用品 日用化工品 牙膏 肥皂 洗涤剂 化工技术 化工产品 美容品 化妆品
【英文标准名称】:StandardTestMethodforCorrosionResistanceofFerrousMetalFastenerAssembliesUsedinRoofingandWaterproofing
【原文标准名称】:用于屋顶和防水屋顶的铁金属紧固件组件的耐腐蚀性的标准试验方法
【标准号】:ASTMD6294-1998(2003)
【标准状态】:现行
【国别】:
【发布日期】:1998
【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】:D08.20
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:锈蚀;紧固件;金属;栅栏涂层;白锈;腐蚀;耐腐蚀性
【英文主题词】:barriercoatings;corrosion;corrosionresistance;fasteners;metal;rust;whiterust
【摘要】:Itisimportanttoevaluatethecorrosionresistanceofferrousmetalcomponentsusedinlow-sloperoofingandwaterproofingbecausetheyprovideintegrityandsecurementofothersystemcomponents,suchasinsulationandmembranes.Corrosionofferrousmetalcomponentsmayresultintheirearlydeteriorationandmayleadtoroofingorwaterproofingsystemfailure.Resultsfromtestingferrousmetalcomponentsinanacidicatmosphereserveasanindicationoftherelativecorrosionresistanceofsuchcomponents,coatedoruncoated,totheenvironmentofthetestchamber.Theresultsarenottobeconstruedasageneralguidelinetothecorrosionresistanceofsuchcomponentsinotherenvironmentsorinusagethatmaybeconducivetocorrosion.Moistaircontainingsulfurdioxidequicklyproduceseasilyvisiblecorrosiononmanyferrousmetals.Itisthereforeatestmediumsuitedtodetectporesorothersourcesofweaknessinprotectivebarriercoatings.Thistestmethodappliesprimarilytoevaluatingtheeffectivenessofbarriercoatingstoprovidegeneralcorrosionprotectionundertestconditions.Itisnotintendedtoevaluatetheresistanceofthecomponentstospecificcorrosionmechanismssuchascrevice,galvanic,orstresscorrosion.Thistestmethoddoesnotaddressabrasionresistanceofbarriercoatingswhenthefastenersaredriventhroughaboveroofdeckcomponents,suchasanexistingbuilt-uprooforinsulations,orboth.Onlytheabovedeckportionoffastenerssubjectedtothistestmethodisevaluated.1.1Thistestmethodcoverscomponentsofferrousmetalfastenerassemblies,excludingthoseofstainlesssteel,suchasfasteners,stressplates,andbattenbarsusedinlowsloperoofingandwaterproofing,toasulfurousacidenvironment.Thistestmethodevaluatesrelativecorrosionresistanceofthecomponentsbydeterminationofpercentageofrustorwhiterust.1.2Thecomponentsmayormaynothaveasurfacetreatmentapplied.1.3Alimitingfactoristhesubjectivenesswhendeterminingactualpercentageofrustorwhiterustcorrosion.1.4Otherperformancecharacteristicsofferrousmetalcomponentssuchasabrasionresistanceofbarriercoatingsarenotevaluatedinthismethod.1.5ThistestmethodwasdevelopedbasedonPracticeG87.1.6ThevaluesstatedinSIunitsaretoberegardedasthestandard.Theinch-poundvaluesgiveninparenthesesmaybeapproximate,andarepresentedforinformationpurposes.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q18
【国际标准分类号】:77_060;91_060_20;91_120_30
【页数】:4P.;A4
【正文语种】: