Fireproof Safe

adjective. of a structural element. : so resistant to fire that for a specified time and under conditions of a standard heat intensity it will not fail structurally or allow transit of heat and will not permit the side away from the fire to become hotter than a specified temperature.In America, the leading test institute is Underwriters Laboratories (UL), whose relevant standard is UL 72. In respect of data media, the temperature inside the cabinet of the safe must not exceed 52 °C / 125 °F, with humidity restriction of 80%.