BS ISO 12472膨胀型密封剂工效测定
日期:2020-03-30 14:55
膨胀密封系统的效能评价。
This International Standard specifies a test method for determining the effective sealing capability of intumescent materials or systems in the context of sealing door-to-frame clearances in timber door assemblies. Intumescent seals extend the duration for which the gap between the leaf edge and the frame will isfy the integrity criteria of the fire resistance test, and sealing systems can be compared using this methe The method is suitable for evaluating the efficacy o
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