Product Code:SAE AMS3654
Title:Tubing, Electrical Insulation Light Wall, Extruded Polytetrafluorethylene (Ptfe)
Issuing Committee:Ams P Polymeric Materials Committee
Scope:This specification covers extruded polytetrafluoroethlene (PTFE) in the form of flexible tubing. This tubing has been used typically for electrical insulating sheath up to 260 degrees C (500 degrees F), but usage is not limited to such applications.
基本信息
| 标准名称： | 碳石墨产品分类及型号编制方法 |
| 中标分类： |
电工 >>
电工材料和通用零件 >>
电工材料和通用零件综合 |
| 替代情况： | 被JB/T 9580-1999代替 |
| 发布日期： | |
| 实施日期： | 1991-01-01 |
| 首发日期： | |
| 作废日期： | |
| 出版日期： | |
适用范围
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所属分类： 电工 电工材料和通用零件 电工材料和通用零件综合
【英文标准名称】:StandardTestMethodforMeasurementofSurfaceRoughnessofAbrasiveBlastCleanedMetalSurfacesUsingaPortableStylusInstrument
【原文标准名称】:便携式记录仪器测量喷砂清理过的金属表面粗糙度的标准试验方法
【标准号】:ASTMD7127-2005
【标准状态】:现行
【国别】:
【发布日期】:2005
【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】:磨料;清理过的;测量;金属;便携的;记录仪器;表面粗糙度;表面;试验
【英文主题词】:abrasive;abrasiveblastcleaning;anchorpattern;peakcount;surfaceprofile;surfaceroughness
【摘要】:Thismethodmaybeusefulinassuringconformanceofapreparedsurfacetoprofilerequirementsspecifiedbythemanufacturerofaprotectivecoating.Thismethodincludesdeterminationofthepeakdensity(numberofprofilepeaksinaspecifieddistance).Someworkersinthefieldbelievethatoptimizingpeakheightandpeakdensitycanimprovecoatingadhesion.Thismethodallowsspecifierstoobjectivelydefinesurfacetextureafterabrasiveblastcleaningratherthanusingsubjectivetermssuchasx201C;angularpatternx201D;orx201C;denseanduniformpattern.x201D;1.1Thistestmethoddescribesashoporfieldprocedurefordeterminationoffourroughnesscharacteristicsofsurfacespreparedforpaintingbyabrasiveblasting.Theprocedureusesaportableskiddedornon-skiddedstylusprofiletracinginstrument.Thethreemeasuredcharacteristicsare:Rt,Rmax,andPc.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Ingeneral,thismethodshouldbelimitedtothemeasurementofsurfaceroughnesswhereRmaxisintherange10to150m(0.4to6mil)andwherethePeakCount,Pc,islessthan180peaks/cm(450peaks/in.).Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A29
【国际标准分类号】:25_220_10
【页数】:5P.;A4
【正文语种】: