本文件规定了通过部分浸入水中确定预制管道保温层短期吸水率的设备和程序。适用于隔热产品。 注意其目的是模拟暴露于雨水中24？的吸水情况h产品安装期间。 本文件适用于建筑设备和工业装置绝缘产品，但也适用于其他领域使用的产品。

This document specifies the equipment and procedures for determining the short-term water absorption of preformed pipe insulation by partial immersion in water. It is applicable to thermal insulating products. NOTE？It is intended to simulate the water absorption caused by exposure to rain for 24？h during product installation. This document has been prepared for products used to insulate building equipment and industrial installations, but it can also be applied to products used in other areas.