GB 50264-2013 第4.2.1条
| **** | The thermal conductivity of insulation materials and their products shall not exceed 0.12 W/(m·K) (at a mean temperature of 25℃). |
| **** | The thermal conductivity of insulation materials and their products shall not exceed 0.12 W/(m·K) (at a mean temperature of 25℃). |
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