Our Graphite intumescent hinge pads should be used with our grade 13 ball bearing or concealed bearing butt hinges to achieve FD30 or FD60 and comply with fire test evidence. One Intumescent hinge pad to be behind frame hinge leaf and one behind door hinge leaf, FD30 doors 2 x 0.8mm and FD60 doors 4 x 0.8mm hinge pads are needed per hinge.