Product Code:SAE AS22759/186
Title:WIRE, ELECTRICAL, POLYTETRAFLUOROETHYLENE/POLYIMIDE INSULATED, SMOOTH SURFACE, NORMAL WEIGHT, SILVER-COATED COPPER CONDUCTOR, 200 oC, 600 VOLTS
Issuing Committee:Ae8-D Wire And Cable Committee
Scope:Scope unavailable.
基本信息
| 标准名称： | 石油信息网页系统建设与运行管理规定 |
| 中标分类： |
石油 >>
石油综合 >>
计算机应用 |
| 发布日期： | |
| 实施日期： | 2000-05-01 |
| 首发日期： | |
| 作废日期： | |
| 出版日期： | |
| 页数： | 7页 |
适用范围
没有内容
前言
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目录
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引用标准
没有内容
所属分类： 石油 石油综合 计算机应用
【英文标准名称】:StandardTestMethodforEffectsofHeatAgingonWeightLoss,Cracking,andChalkingofElastomericSealants
【原文标准名称】:热老化对弹性填缝料重量损失、破裂及粉化影响的标准试验方法
【标准号】:ASTMC792-2004(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:2004
【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】:C24.20
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:chalking;compound;cracking;elastomericsealants;heataging;non-sagsealants;self-levelingsealant;weightloss;Acceleratedaging/testing--elastomericsealants;Appearanceofmaterials;Chalking;Cracking--sealants;Elastomericseals/sealants
【摘要】:Weightlossthroughvolatilizationofcomponentsofasealantinabuildingjointmayaffectsealantappearancebecauseofshrinkageandsealantperformancebecauseofthelossoffunctionalsealantcomponents.Exposuretohigh-temperatureenvironmentswillacceleratethelossofvolatiles.Thistestmethodmeasuresweightloss.Itcanbeusedincombinationwithaknowledgeofsealantdensitytoestimateshrinkage.Inaddition,whencomparedtosealanttheoreticalweightsolids,itprovidesanestimateoftheextenttowhichfunctionalsealantcomponentscanbevolatilizedwhenexposedtohighservicetemperatures.Substantiallossesofthistypemayhelppredictearlyfailuresindurability.Also,developmentofcracksorchalking,orboth,lessenssealantservicelife.However,asealantthatdevelopsnocracksorchalking,orlowweightlossinthistestmethod,doesnotnecessarilyassuregooddurability.1.1Thistestmethodcoversalaboratoryprocedurefordeterminingtheeffectsofheatagingonweightloss,cracking,andchalkingofcured-in-placeelastomericjointsealants(single-andmulticomponent)foruseinbuildingconstruction.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.1.3ThereisnoknownISOequivalenttothistestmethod.
【中国标准分类号】:Q24
【国际标准分类号】:91_100_50
【页数】:3P.;A4
【正文语种】:英语