Sealed door material property: Choosing fine galvanized steel plate, SS plate etc materials; Seal strips are installed around the door and special hardware
fittings are used, which guarantees soundproofing effect of the
door; Door thickness is determined by the required function; Door overall dimension and open manner is determined by the
customer's requirements; Sealed door is divided into air-tight door and water-tight door. Heat insulation door material property: Choosing fine galvanized steel plate, SS plate or woodiness
material etc; Filling soundproofing materials in door cavity, and the material
capacity is controlled among 50-100kg/m3; Seal strips are installed around the door and special hardware
fittings are used, which guarantees soundproofing effect of the
door; Door thickness is determined by the required by difference in
temperature; Door overall dimension and open manner is determined by the
customer's requirements.