HP5 Series Rigid mica plate for heat equipment is a kind of plate-like insulating materials made of muscovite paper or phlogopite paper mixed with silicone bonded after pressed and baked, It has good mechanical strength and property of heat resistance, It can be used with 550-800 for a long time, It has been widely used in metallurgy, chemical and electric industries, etc, The products are certified by UL(E248686)and in conformity with IEC371-3-3.