标准摘要
[中文适用范围]： ISO 20492 的这一部分规定了中空玻璃单元的两种测试方法，包括气体泄漏率的测定和气体浓度容差的测定。 这两种方法被指定为方法 1（旨在用于北美等市场）和方法 2（旨在用于欧洲等市场）。 [外文原描述]： ISO 20492-3:2010 specifies two methods of test for insulating glass units, including a determination of the gas leakage rate and a determination of gas concentration tolerances. The two methods designated as approach 1, which is intended for use in markets such as North America, and approach 2, which is intended for use in markets such as Europe.
英文名称Glass in buildings — Insulating glass — Part 3: Gas concentration and gas leakage