High rate of fire expansion graphite rod, in case of fire, when heated, it can quickly expand to 15-30 times the original volume and not fly, used in aluminum alloy profiles, plastic steel profiles and other cavity filling. Auxiliary fire window to achieve the integrity of the refractory system.

Product density                       1.40g/cm3

Initial expansion temperature         200℃

Product density                       1.40g/cm3

Initial expansion temperature         200℃