Intumescent products are These which increase (or intumesce) to numerous instances their first sizing when activated by high temperatures. This motion helps prevent the distribute of flames and smoke to other elements of a creating. Passive fireseals and pipe clamps have intumescent compounds. You'll be able to stream from Spotify, https://www.thesafetycentre.co.uk/blog/ems-wireless-firecell-systems-from-the-safety-centre/