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Standard
| GB 31040-2014 Limit of residual formaldehyde from the concrete admixtures (English Version) |
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Detail of GB 31040-2014
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Introduction of GB 31040-2014
本标准规定了混凝土外加剂中残留甲醛的限量。
本标准适用于各类具有室内使用功能的建筑用混凝土外加剂,不适用于桥梁、公路及其他室外工程用混凝土外加剂。
Contents of GB 31040-2014