ASTM D257-14由美国材料与试验协会 US-ASTM 发布于 2014。 ASTM D257-14 在中国标准分类中归属于: K15 电工绝缘材料及其制品。 ASTM D257-14 绝缘材料直流电阻或电导的标准试验方法的最新版本是哪一版? 最新版本是ASTM D257-14(2021)e1。 ASTM D257-14 发布之时,引用了标准 ...
5.5 Volume resistivities above 1021Vcm (1019Vm), cal- culated from data obtained on specimens tested under usual laboratory conditions, are of doubtful validity, considering the limitations of commonly used measuring equipment. 5.6 Surface resistance or conductance cannot be measured accurately, only ...
5.5 Volume resistivities above 1021 V·cm (1019 V·m), cal- culated from data obtained on specimens tested under usual laboratory conditions, are of doubtful validity, considering the limitations of commonly used measuring equipment. 5.6 Surface resistance or conductance cannot be measured ...
内容提示: Designation: D2573/D2573M − 15Standard Test Method forField Vane Shear Test in Saturated Fine-Grained Soils 1This standard is issued under the f i xed designation D2573/D2573M; the number immediately following the designation indicates theyear of original adoption or, in the case...
ASTM D352 Standard Test Methods for Pasted Mica Used in Electrical Insulation ASTM D352 电绝缘用涂浆云母标准试验方法 This test determines the compressive creep under laboratory conditions or under conditions that may be encountered during manufacture of electrical equipment. It has special significance ...
ASTM D1425/D1425M - 09e1 Standard Test Method for Unevenness of Textile Strands Using Capacitance Testing Equipment - See all versionsASTM D1426 - 08 Standard Test Methods for Ammonia Nitrogen In Water - See all versionsASTM D1429 - 08 Standard Test Methods for Specific Gravity of Water and...
IEC-60068-2-31 Test Ec Rough handling shocks, primarily for equipment-type specimens IEC-60068-2-38 Test ZAD Composite temperature humidity cyclic test IEC 60068-2-52 Test Kb Salt mist, cyclic IEC 60068-2-64 Test Fh Vibration, broadband random and guidance IEC 60068-2-75 Test Eh Hammer ...
D1403-02 中文版 Standard Test Methods for Cone Penetration of Lubricating Grease Using One-Quarter and One-Half Scale Cone Equipment 用1/4和1/2标度锥形设备测定润滑脂锥入度的试验方法D1404/D1404M-99(2003) 中文版 Standard Test Method for Estimation of Deleterious Particles in Lubricating Grease ...
D257Volume Resistivity (ohm-cm) at 50% RH10^14 - 10^1510^12 - 10^13--- CNC Technologies for Machining Vespel® Polyimide Parts Upland Fab employs the use ofmulti-axis machiningwhen working with Vespel®. This application of technology is critical to ensuring the parts are machined correc...
124. Apparatus 124.1 Testing Equipment, in accordance with Section 48. 124.2 Test Fixture, as shown in Fig. 9. 125. Test Specimens 125.1 Select test specimens and condition them in accordance with Sections 5 and 8. 125.2 Prepare ?ve test specimens that are 25 mm (1 in.) by 75 mm (3...