What is the primary function of this product?
Specifically designed for use in fire resistant doorsetnassemblies, essential ironmongery such as locks, latches and concealed doornclosing devices. The product is supplied in two thicknesses 0.5mm and 1.0mm.nWhen exposed to elevated temperatures, the product is designed to expand multindirectionally filling cavities and voids to provide a fire-resistant barrier.