ASTM D4752-2010 溶剂擦拭法测定硅酸乙酯(无机)富锌底漆的甲乙酮耐受性的标准实施规程

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【英文标准名称】:StandardPracticeforMeasuringMEKResistanceofEthylSilicate(Inorganic)Zinc-RichPrimersbySolventRub
【原文标准名称】:溶剂擦拭法测定硅酸乙酯(无机)富锌底漆的甲乙酮耐受性的标准实施规程
【标准号】:ASTMD4752-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:D01.46
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:curingcharacteristics;doublerubmethod;dryingorcuring;ethylsilicate(inorganic)primer;methylethylketone;MEK(methylethylketone)resistance;primer;solventrubmethod;visualexamination;zinc-richprimer;Curingcharacteristics;Doubleru
【摘要】:Ethylsilicatezinc-richprimerscurebythereactionofthevehiclewithmoisture,therebyprovidingabinder.Asrelativehumidityandtemperaturevaryduringtheday,sodoestherateofcure.Acertainminimumdegreeofcureisnecessarypriortotopcoating.Ithasbeenshownthatthedegreeofcureofethylsilicatezinc-richprimerscanbemeasuredbythechemicalchangesoccurringusingdiffusereflectanceinfraredspectroscopy.Thissolventrubtesthasbeenshowntocorrelatewellwiththeinfraredspectroscopicresultsofsometwo-componentethylsilicateinorganiczincsystems.Thecureratingrequiredfortheapplicationofspecifictopcoatsmustbeagreeduponbeforethepracticeisused.1.1ThispracticedescribesasolventrubtechniqueforassessingtheMEKresistanceofethylsilicate(inorganic)zinc-richprimers.TheMEKresistanceofsometwo-componentethylsilicatezinc-richprimershasbeenshowntocorrelatewellwiththecureoftheprimerasdeterminedbydiffusereflectanceinfraredspectroscopy.Thetechniquecanbeusedinthelaboratory,field,orinthefabricatingshop.PracticeD5402isthepreferredmethodfororganiccoatings.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecifichazardstatementsaregiveninSection6.Consultsupplier''sMaterialSafetyDataSheet(s)forspecifichazardinformationrelatingtothesolventused.
【中国标准分类号】:G51
【国际标准分类号】:87_040
【页数】:8P.;A4
【正文语种】:英语


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Product Code:SAE J2223/2
Title:Connections for On-Board Road Vehicle Electrical Wiring Harnesses--Part 2: Tests and General Performance Requirements
Issuing Committee:Connector Systems Standards Committee
Scope:This SAE Standard defines tests methods and general performance requirements of single-pole and multiple connectors for on-board electrical wiring harnesses of road vehicles.These requirements are not intended for connections internal to electronic devices. This document applies to connectors designed to be disconnected after mounting in the vehicle in the case of repair and/or maintenance.