Differential thermal movement between the spacer frame and the glass panes is a key contributor to the aging of insulating glass edge seal and of the insulating glass unit-IGU-itself.

间隔条和玻璃板片之间的相对热位移是中空玻璃边缘密封乃至中空玻璃(IGU)本身老化的主要原因之一。

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This paper introduces the basic concepts of insulating glass unit U values(heat transfer coefficient)and in GB/T22476 standard the basic conditions&mathods for calcuting glass unit U values.

介绍了中空玻璃U值（传热系数）的基本概念和GB/T22476标准对中空玻璃U值的计算和测定所规定的基本条件及方法。

youdao

This paper introduces the basic concepts of insulating glass unit U values(heat transfer coefficient)and in GB/T22476 standard the basic conditions&mathods for calcuting glass unit U values.

介绍了中空玻璃U值（传热系数）的基本概念和GB/T22476标准对中空玻璃U值的计算和测定所规定的基本条件及方法。

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