| 摘要 |
Fireblocking device for preventing transfer of fire through ventilating apertures or similar passages, in openings for thermal fire ventilation, in ventilation ducts, in process plants or in vented facade exteriors, in vented fire blankets, vented fire protective curtains or vented protective screens against explosions. The device includes a combination of a heat absorbing and heat storing body, and an element which includes and/or adsorbs and intumescent material.
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