Fire doors with fire insulation materials which?

Fire doors with fire insulation materials which?

Fire doors with fire insulation materials fire doors made of steel materials, door frames, door frames and door panels, doors if filled material, then fill the human body non-toxic harmless fire insulation materials, and with fire hardware accessories With a certain fire resistance of the door. Fire doors general technical conditions of the standard This standard specifies the wood fire door product classification, size specifications, technical requirements, test methods, inspection rules, logo packaging, transportation and storage. This standard applies to the use of wood or wood products for the door frame, door frame, door panel fire door. Emergency and statistical functions, the system can automatically display on the computer specified cardholder's physical location, easy to contact in time. Fire and other emergencies, the electronic fire door will automatically open, easy to escape, the entrance can also be automatically opened; when the illegal out of time, will automatically alarm.

Perlite fire door core; glass magnesium fire door core