Question
What is an ablative coating?
Expert Answer
An ablative coating works by absorbing the energy of a fire. When heated, the coating undergoes a chemical reaction that consumes heat energy (endothermic reaction) and releases water vapor, cooling the surface and forming a protective char. This delays the transfer of heat to the material beneath (like a fire batt), maintaining the integrity of the fire seal for the required duration (e.g., 2 or 4 hours).
