
TEST METHOD FOR SOFTENING POINT OF GLASS
出版:American Society for Testing and Materials

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基本信息
标准编号: ASTM C 338 : 1993
标准类别:Standard
出版单位:American Society for Testing and Materials
标准页数:0
标准简介
CONTAINED IN VOL. 15.02, 2017 Defines the determination of the softening point of a glass by determining the temperature at which a round fiber of the glass, nominally 0.65 mm in diameter and 235 mm long with specified tolerances, elongates under its own weight at a rate of 1 mm/min. when the upper 100 mm of its length is heated in a specified furnace at the rate of 5 +/-1 degrees C/min.
本标准替代的旧标准