ASTM D1458-2001(2007) Standard Test Methods for Fully Cured Silicone Rubber-Coated Glass Fabric and Tapes for Electrical Insulation《电绝缘用完全硫化硅橡胶涂层的玻璃布与玻璃带的标准试验方法》.pdf
《ASTM D1458-2001(2007) Standard Test Methods for Fully Cured Silicone Rubber-Coated Glass Fabric and Tapes for Electrical Insulation《电绝缘用完全硫化硅橡胶涂层的玻璃布与玻璃带的标准试验方法》.pdf》由会员分享,可在线阅读,更多相关《ASTM D1458-2001(2007) Standard Test Methods for Fully Cured Silicone Rubber-Coated Glass Fabric and Tapes for Electrical Insulation《电绝缘用完全硫化硅橡胶涂层的玻璃布与玻璃带的标准试验方法》.pdf(7页珍藏版)》请在麦多课文档分享上搜索。
1、Designation: D 1458 01 (Reapproved 2007)An American National StandardStandard Test Methods forFully Cured Silicone Rubber-Coated Glass Fabric and Tapesfor Electrical Insulation1This standard is issued under the fixed designation D 1458; the number immediately following the designation indicates the
2、year oforiginal adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon (e) indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the Depa
3、rtment of Defense.1. Scope1.1 These test methods cover procedures for testing fullycured silicone rubber-coated glass fabric and tapes to be usedfor electrical insulation.1.2 The procedures appear in the following order:Procedure SectionsASTMReferencesBreaking Strength 7 D 828Breaking Strength After
4、 Creasing 8 .Conditioning 5 .Dielectric Breakdown Voltage 9 D 149, D 295,D 6054Dielectric Proof-Voltage 10 D 1389Dissipation Factor and Relative Permittivity 11 D 150Sampling 4 .Thermal Endurance 15 D 1830Thickness 6 D 374Thread Count 14 .Volume Resistivity 12 D 257Weight 13 .1.3 The values stated i
5、n inch-pound units are to be regardedas the standard. The values given in parentheses are forinformation only.1.4 This standard does not purport to address all of thesafety concerns, if any, associated with its use. It is theresponsibility of the user of this standard to establish appro-priate safet
6、y and health practices and determine the applica-bility of regulatory limitations prior to use. See 9.5.1 for aspecific warning statement.2. Referenced Documents2.1 ASTM Standards:2D 149 Test Method for Dielectric Breakdown Voltage andDielectric Strength of Solid Electrical Insulating Materialsat Co
7、mmercial Power FrequenciesD 150 Test Methods for AC Loss Characteristics and Per-mittivity (Dielectric Constant) of Solid Electrical Insula-tionD 202 Test Methods for Sampling and Testing UntreatedPaper Used for Electrical InsulationD 257 Test Methods for DC Resistance or Conductance ofInsulating Ma
8、terialsD 295 Test Methods for Varnished Cotton Fabrics Used forElectrical InsulationD 374 Test Methods for Thickness of Solid Electrical Insu-lationD 828 Test Method for Tensile Properties of Paper andPaperboard Using Constant-Rate-of-Elongation ApparatusD 1389 Test Method for Proof-Voltage Testing
9、of ThinSolid Electrical Insulating MaterialsD 1711 Terminology Relating to Electrical InsulationD 1830 Test Method for Thermal Endurance of FlexibleSheet Materials Used for Electrical Insulation by theCurved Electrode MethodD 5032 Practice for Maintaining Constant Relative Humid-ity by Means of Aque
10、ous Glycerin SolutionsD 6054 Practice for Conditioning Electrical Insulating Ma-terials for TestingE 104 Practice for Maintaining Constant Relative Humidityby Means of Aqueous Solutions3. Terminology3.1 DefinitionsFor definitions of terms used in these testmethods, see Terminology D 1711.4. Sampling
11、4.1 Sample shipments of material as specified below, andwhere possible take only one sample from any package.4.1.1 FabricOver 3 in. (75 mm) in width.4.1.1.1 RollsSelect one roll from each ten rolls or fractionthereof in a shipment of full-width fabric. Cut off not less thantwo turns of fabric from e
12、ach roll selected from sampling, andselect sample material for the preparation of test specimensfrom the remaining layers of the roll.1These test methods are under the jurisdiction of ASTM Committee D09 onElectrical and Electronic Insulating Materials and are the direct responsibility ofSubcommittee
13、 D09.07 on Flexible and Rigid Insulating Materials.Current edition approved May 1, 2007. Published June 2007. Originallyapproved in 1957. Last previous edition approved in 2001 as D 1458 01.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at servi
14、ceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.4.1.1.2 SheetsSelect one sheet from each 50 sheets orfra
15、ction thereof in a shipment of sheeted fabric. Remove notless than six sheets from the outer layers of each package ofsheets selected from sampling, and then select sample materialfor the preparation of test specimens from the remainingsheets.4.1.2 Tapes and Strips3 in. (75 mm) and less in width.4.1
16、.2.1 TapesCut off not less than six turns of tape fromeach roll selected for sampling, and then select sample materialfor the preparation of test specimens from the remaining layersof the roll. Select rolls of tape in accordance with the followingschedule:Number of Rolls in ShipmentMinimum Number of
17、 SampleRollsOver 10 000 1 per 10005001 to 10 000 102001 to 5000 5Less than 2000 24.1.2.2 StripsSelect three strips from each 100 strips orfraction thereof in a shipment of strips. Remove not less thansix strips from the outer layers of each package of stripsselected for sampling, and then select sam
18、ple material for thepreparation of test specimens from the remaining strips.4.2 Prepare the test specimens from samples selected asspecified in 4.1, and as provided for in the individual testmethods.5. Conditioning5.1 Significance and UseThe properties of the materialdescribed in these test methods
19、are affected by the temperatureand moisture content of the material to a greater or lesserextent, depending on the specific property.5.2 ConditioningUnless otherwise specified in the indi-vidual test method, condition test specimens as described in5.2.1 or 5.2.2, and in matters of dispute, consider
20、5.2.1 as thereferee method.5.2.1 Condition the test specimens for 48 h in the StandardLaboratory Atmosphere of 50 6 2 % relative humidity at atemperature of 23 6 1 C (73.4 6 1.8 F), and conduct the testsunder these conditions.5.2.2 Condition the test specimens for 48 h in the StandardLaboratory Atmo
21、sphere of 50 6 2 % relative humidity at atemperature of 23 6 1 C (73.4 6 1.8 F), and conduct the testsimmediately upon removal of the specimens from the condi-tioning room or chamber.6. Thickness6.1 Significance and Use:6.1.1 The importance of space factor in the design ofelectrical equipment makes
22、proper determination of thicknessessential.6.1.2 Some properties, such as dielectric strength and di-electric breakdown, vary with the thickness of the material, andcertain properties, such as thermal conductivity and dielectricconstant, cannot be determined without a knowledge of thick-ness.6.2 Tes
23、t SpecimensCut specimens prepared from fabricsamples 1 in. (25 mm) wide across the entire width of thefabric, while specimens prepared from tape and strip samplesshall be the width of the sample and 36 in. (910 mm) long.Where the specimen is 36 in. or longer (full-width fabric 36 in.or more in width
24、, or where the length of a strip is 36 in. orlonger), only one specimen will be required unless otherwisespecified. Where the specimen is less than 36 in. (full-widthfabric less than 36 in. wide, or strips less than 36 in. long), asmany specimens as are needed to obtain the equivalent 36 in.linear m
- 1.请仔细阅读文档,确保文档完整性,对于不预览、不比对内容而直接下载带来的问题本站不予受理。
- 2.下载的文档,不会出现我们的网址水印。
- 3、该文档所得收入(下载+内容+预览)归上传者、原创作者;如果您是本文档原作者,请点此认领!既往收益都归您。
下载文档到电脑,查找使用更方便
10000 积分 0人已下载
下载 | 加入VIP,交流精品资源 |
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- ASTMD145820012007STANDARDTESTMETHODSFORFULLYCUREDSILICONERUBBERCOATEDGLASSFABRICANDTAPESFORELECTRICALINSULATION

链接地址:http://www.mydoc123.com/p-509839.html