Sinotek Materials Graphite Sealing Strip Fireproofing Sealing Products

The graphite sealing strip is made from a graphite based mineral fiber with stabilized high density, which is designed to activate (expand) at 180° with an expansion ratio of 35:1. The intumescent strip around the door expands at high temperatures to seal housing and provide a ‘flame break’. It can adhibit on windowsills, door-apertures, and all kinds of pipe-line apertures, etc. When fire or high temperature occurs, and expand temperature is achieved, it can expand and block the aperture completely. This materials usually is used on buildings. Information provided by Sinotek