1 Scope This document specifies the equipment and procedures for determining the coefficient of linear thermal expansion at sub-ambient temperatures (−196 °C to 25 °C), subject to the possible temperature limitation of the test specimens. It is not applicable to products which experience dimensional changes during the test due to the loss of hydration water or which undergo other phase changes.
BS ISO 23766:2022由英国标准学会 GB-BSI 发布于 2022-05-31,并于 2022-05-31 实施。
BS ISO 23766:2022在国际标准分类中归属于: 91.100.60 隔声和绝热材料。
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