GBJ 301-1988 建筑工程质量检验评定标准GBJ301-88
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来源:标准资料网
基本信息
标准名称: | 建筑工程质量检验评定标准GBJ301-88 |
英文名称: | Quality inspection and assessment of building construction |
中标分类: |
工程建设 >>
工业与民用建筑工程 >>
工业与名用建筑工程综合 |
替代情况: | 部分被GB/T 50221-1995代替 部分被GB 50210-2001代替 |
发布日期: | 1988-11-05 |
实施日期: | 1989-09-01 |
首发日期: | 1900-01-01 |
作废日期: | 2002-03-01 |
出版日期: | 1900-01-01 |
页数: | 39页 |
适用范围
部分被GB/T 50221-95代替
前言
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目录
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引用标准
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所属分类: 工程建设 工业与民用建筑工程 工业与名用建筑工程综合
Product Code:SAE AMS3657
Title:Polytetrafluoroethylene (PTFE) Extrusions, Premium Strength, As Sintered
Issuing Committee:Ams P Polymeric Materials Committee
Scope:This specification covers a virgin, unfilled polytetrafluoroethylene (PTFE) in the form of extruded and sintered rods, tubes, and profiles.【英文标准名称】:StandardPracticeforCalculatingPropertyRetentionIndexofPlastics
【原文标准名称】:计算塑料牢固性参数指数的标准实施规程
【标准号】:ASTMD5870-1995(2003)
【标准状态】:现行
【国别】:
【发布日期】:1995
【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】:D20.50
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:热塑性塑料;风化;物理性能;塑料;加速老化;牢固性参数指数;热固性塑料;试验;曝光试验;热塑性的;PRI
【英文主题词】:acceleratedtest;aging;exposure;weathering
【摘要】:1.1Thispracticecoversproceduresforthecalculationofapropertyretentionindex(PRI)ofthermoplasticandthermosetplasticsafterexposuretothermalaging,naturalorartificialacceleratedweathering,orchemicalexposures.1.2Thispracticeisnotintendedtoestablishafixedprocedureforconductingtheexposuretest,butitisintendedtoprovideasetofspecificproceduresusedtocalculatetheretentionindexofacharacteristicpropertyofthematerialafterithasbeenexposed.Selectionofthespecificexposuretestconditionsdependsonthematerialbeingtestedandthepropertybeingmeasured.Itisuptotheusertodeterminewhichexposuretestconditionsaremostrelevanttothespecificmaterialandtheserviceconditionbeingused.Theexposuretestusedmustbeconductedinaccordancewithconditionsdescribedinspecificexposurestandards.1.3Thispracticedoesnotdescribeproceduresforsamplingthematerialstobetested.Theseproceduresaredescribedinthestandardsandspecificationsapplicabletothematerialbeingevaluated.1.4TheprocedureusedtocalculatethePRIdependsonwhetherthetestusedtocharacterizethematerialsbeingexposedisdestructiveornondestructive.ThePRIcanbeusefulindescribingshort-termmechanical,electrical,andotherpropertiesofplasticsatspecifiedtemperaturesafterthematerialshavebeensubjectedtoanexposuretest.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Note18212;ThereisnosimilarorequivalentISOstandard.ISODIS11248issignificantlydifferentsinceitpertainsonlytothermosettingresins.
【中国标准分类号】:G31
【国际标准分类号】:83_080_20
【页数】:5P.;A4
【正文语种】: