BS 6993-2-1990 门窗玻璃的热和辐射测量性能.U值直接测量方法(热传导)

标准号：BS 6993-2-1990
中文标准名称：门窗玻璃的热和辐射测量性能.U值直接测量方法(热传导)
英文标准名称：Thermal and radiometric properties of glazing - Method for direct measurement of U-value (thermal transmittance)
标准类型：P31
发布日期：1990/7/31 12:00:00
实施日期：1990/7/31 12:00:00
中国标准分类号：P31
国际标准分类号：81.040.20
适用范围：Method for measuring the transmittance of the central area of single, double or multiple glazing using hot box apparatus complying with BS 874-3.1. The edge effect due to the thermal bridge through the spacer of double or multiple glazing is effectively eliminated by this method.