标准编号：ISO 306:2013
中文名称：塑料 热塑性材料 维卡软化温度（VST）的测定
英文名称：Plastics — Thermoplastic materials — Determination of Vicat softening temperature (VST)
发布日期：2013-11
标准范围
This International Standard specifies four methods for the determination of the Vicat softening temperature (VST) of thermoplastic materials:— method A50 using a force of 10 N and a heating rate of 50 K/h;— method B50 using a force of 50 N and a heating rate of 50 K/h;— method A120 using a force of 10 N and a heating rate of 120 K/h;— method B120 using a force of 50 N and a heating rate of 120 K/h.The methods specified are applicable only to thermoplastics, for which they give a measure of the temperature at which the thermoplastics start to soften rapidly.
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