SAE AS81582/8 Connector, Adapter Assembly, Umbilical Cable to Stores Interface, Lanyard Release
作者:标准资料网 时间:2024-05-27 09:13:21 浏览:8792
来源:标准资料网
Product Code:SAE AS81582/8
Title:Connector, Adapter Assembly, Umbilical Cable to Stores Interface, Lanyard Release
Issuing Committee:Ae-8c1 Connectors Committee
Scope:No scope available.
基本信息
| 标准名称： | 多效唑原药 |
| 中标分类： |
化工 >>
化肥、农药 >>
农药 |
| ICS分类： |
农业 >>
杀虫剂和其他农用化工产品
|
| 发布部门： | 中华人民共和国化学工业部 |
| 发布日期： | 1994-04-04 |
| 实施日期： | 1994-10-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 2010-01-20 |
| 提出单位： | 化学工业部技术监督司 |
| 归口单位： | 化学工业部沈阳化工研究院技术 |
| 起草单位： | 江苏省农药研究所 |
| 起草人： | 俞幼芬、殷尚正、梁琴英、许祥生、乔正付 |
| 出版日期： | 1994-10-01 |
| 页数： | 11页 |
适用范围
本标准规定了多效唑原药的技术要求、试验方法、检验规则以及标志、包装、运输和贮存。
本标准适用于由多效唑及其生产中产生的杂质组成的多效唑原药，应无添加的改性剂。
前言
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目录
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引用标准
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所属分类： 化工 化肥 农药 农药 农业 杀虫剂和其他农用化工产品
【英文标准名称】:StandardSpecificationforAdhesiveforAcousticalMaterials
【原文标准名称】:声学材料用胶粘剂的标准规范
【标准号】:ASTMD1779-1998(2004)
【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】:D14.70
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:声学的;胶粘剂
【英文主题词】:acoustical;adhesive;specification
【摘要】:1.1Thisspecificationcoversanadhesiveforbondingprefabricatedacousticalmaterialstotheinsidewallsandceilingsofroomsinbuildings.Thisadhesiveisrequiredtomaintainatensileadhesion(bondstrength)ofnotlessthan3.45104dynes/cm2(1/2lb/in.2)foralongperiodoftimeunderthetemperatureandmoistureconditionslikelytobeencounteredandtomaintainsufficientplasticitytoallowformovementofpartsofthebuildingasitages.Note18212;CleanlinessofSurface-Thesurfacetowhichtheacousticalmaterialisappliedwiththeadhesiveshouldbeclean,sound,anddry.Surfacecoatingsshouldberemovediftheirnatureindicatesanunsatisfactoryinstallation,sothattheadhesivecanbeappliedtothebase.Whentheadhesiveistobeappliedonapaintedsurface,testtileshouldbeappliedfor48htodeterminesuitableadherenceofthecoatingbyexamination.Acousticaladhesivesarenotintendedtobeappliedtosurfacesthataremoistandthathaveanalkalinereaction,orthatmaylaterbecomemoistoralkaline.Suchsurfaces,asconcreteorplaster,shouldbeproperlydriedandagedbeforeapplyingtheadhesive.Note28212;Load-Thisadhesiveisnotrecommendedasasolemeansofholdingacousticalmaterialsweighingmorethan121kg/m2(21/2lb/ft2)toceilingsurfaces.Note38212;AmountandConditionofMaterial-Itisrecommendedthatsufficientadhesivebeusedsothatthereisacontactsurfaceofnotlessthan1.2104cm2/m2(20in.2/ft2)ofacousticalmaterial,withaminimumthicknessof0.3cm(1/8in.)andthattheadhesivebeappliedinfourseparatenearlysphericalportionsofapproximatelyequalsizenearthecornersforastandard30.5by30.5-cm(12by12-in.)tile.Fewerthanormorethanfourportionsfor30.5by30.5-cmtilearenotrecommendedduetodifficultyinlevelingandinsecuringeffectivecontactareaonallportions.Adhesivesthatarehard,ordonotwetthesurface,oraredifficulttospreadshouldnotbeused.Note4RigidityofBaseSurfaces-Itisnecessarythatthematerialformingthebasetowhichtheadhesiveisattachedshouldberelativelysmooth,firm,andrigid.Ifthepressureofapplyingtileandadhesivecausesthebasematerialtodeflectexcessively,tilepreviouslyappliedmayhavetheiradhesivebondbroken.Thisoccursonsometypesofgypsumboardsuspensionsystems.Note5Aging-Todate,noacceleratedagingtestsforadhesiveshavebeendevelopedtoduplicateexactlyaginginservice.Theagingtestsinthisspecificationaredesignedtoacceleratetheagingprocessandtotestvariousmanifestationsofaging,andareintendedtobesatisfactoryforcomparingoneadhesivewithanother;theydonotnecessarilyreflectagingcharacteristicsonanabsolutebasis.Purchasersofadhesivesshouldreceivefromthemanufactureradditionalwarrantiesandassurancesofperformanceoftheadhesiveundernormalaging.Note68212;ErectionPractices-Propererectiontechniquesareessentialforproperperformanceofanyacousticaladhesive.Useofamaterialmeetingthisspecificationwillnotinitselfguaranteesatisfactoryperformance.Onlywhentilesareappliedbyskilledandexperiencedworkersfollowinginstructionsfromthemanufacturercanthepurchaserbeassuredofsatisfactoryperformanceofanadhesive.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G39
【国际标准分类号】:83_180;91_100_60
【页数】:3P.;A4
【正文语种】:
