Download or read book GB T 31838 7 2021 Translated English of Chinese Standard GBT31838 7 2021 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2020-06-06 with total page 19 pages. Available in PDF, EPUB and Kindle. Book excerpt: This document specifies the test methods for the volume resistance and volume resistivity of insulating materials, under DC voltage and temperature not higher than 800 degree-Celcius. This document applies to high-temperature resistant mica plates, alumina ceramics and other materials.