ASTM D 1664-80 Coating and Stripping of Bitumen-Aggregate Mixtures
1.1This specification covers calcium silicate block and pipe thermal insulation for use on surfaces with temperatures between 80 and 1700℉(27 to 927℃), unless otherwise agreed upon between the manufacturer and the purchaser.1.2The values stated in inch-pound units are to be regarded as the ...
Designation: D149 − 20Standard Test Method forDielectric Breakdown Voltage and Dielectric Strength ofSolid Electrical Insulating Materials at Commercial PowerFrequencies 1This standard is issued under the f i xed designation D149; the number immediately following the designation indicates the year ofori...
ASTM D149-20 引用标准 ASTM D1711ASTM D2413ASTM D3151ASTM D3487ASTM D374ASTM D5423ASTM D618ASTM D877 适用范围 1.1 本测试方法涵盖了在规定条件下,在商用电源频率下测定固体绝缘材料介电强度的程序。2,3 1.2 除非另有规定,测试应在 60 Hz 下进行。然而,该测试方法适用于 25 至 800 Hz 的任何频率。
ASTM D149-20的引用关系信息,1.1 本测试方法涵盖了在规定条件下,在商用电源频率下测定固体绝缘材料介电强度的程序。2,3 1.2 除非另有规定,测试应在 60 Hz 下进行。然而,该测试方法适用于 25 至 800 Hz 的任何频率。当频率高于 800 Hz 时,电介质加热是一个潜在问题。 1.3
5 Copyright by ASTM Int'l (all rights reserved); Sat Feb 20 21:06:06 EST 2010 Downloaded/printed by SGS North America Inc. pursuant to License Agreement. No further reproductions authorized. D149 – 09 9.1.6 Whatever the form of the material, if tests of other than surface-to-surface ...
ASTM D3755-14 美国材料与试验协会标准.pdf,Designation: D3755 − 14 Standard Test Method for Dielectric Breakdown Voltage and Dielectric Strength of Solid Electrical Insulating Materials Under Direct-Voltage Stress1 This standard is issued under the fi
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20 Novell Modular Authentication Services (NMAS) 3.0 Administration Guide • [-h hostname[:port]] - (Optional) The hostname and port of the server. Use this if DHost is not running on the default port. If the login method already exists, nmasinst will update it. 3.1.3 Installing a...
20 g/10 min 0.70 % 测试方法 ASTM D792 ASTM D1238 ASTM D955 2016/5/10 Solvay Specialty Polymers 页: 1 / 5 Radel® R-5000 聚苯砜 物理性能 吸水率 24 hr 平衡 典型数值 单位制 0.37 % 1.1 % 机械性能 拉伸模量 (3.18 mm) 抗张强度 (3.18 mm) 伸长率 屈服, 3.18 mm 断裂, 3.18 ...