Light
. Quality
. The door leaf material of the civil air defense door is low-pressure molded fiber reinforced sheet mold composite material, which is light in weight and high in strength. Compared with civil air defense doors of the same specification, it is lighter
. Quality
. The weight of the civil air defense door leaf is reduced by more than %, and the explosion resistance test proves that the weight
. Quality
. The strength of the civil air defense door fully meets the standard.
: . Light
Quality
The civil air defense door is made of polymer thermosetting fiber-reinforced sheet mold composite material,
produced using the molding process, with built-in embedded inserts
br/> Made of high temperature and high pressure, its strength is greatly increased.
It has certain resistance to acid, alkali and other chemicals. It is light
and lightweight. It will rust and rot, and has a service life of more than 10 years.
The door and door frame are sealed with sealing strips, and the sealing measures are reliable.
Therefore, it is light
and has a good quality
Civil air defense doors are traditional
Excellent substitute for steel structure civil defense doors
.
Light
Quality
The civil air defense door lock adopts a four-link driven slide bolt lock, which is light in weight, simple in structure and easy to operate. Compared with traditional reinforced concrete and steel structure protective equipment, it is lighter in weight and easier to install. In addition, the surface of the door leaf adopts a low-temperature baking process, which eliminates the need for later maintenance.
Light
Quality
Civil defense doors also have many advantages such as high productivity, good insulation, sound insulation, flame retardancy, moisture resistance and beautiful appearance.
LBFM lightweight civil air defense door lightweight civil air defense door protective closed door