| 摘要 |
A soundproof and fireproof door using an aluminum foam panel is provided to have the soundproofing and fireproofing function by having heat-resistance and removing noise by using an aluminum foam panel or attaching a metal perforated plate on the aluminum foam panel. The invention relates to a soundproof and fireproof door(1) for having the soundproofing and fireproofing function by using an aluminum foam panel, which is manufactured by melting aluminum, mixing various additives including a blowing agent, stirring, foaming and hardening to have many pores to keep sound not to be transferred to the outside, or, attaching a metal perforated plate on the surface of the aluminum foam panel. |
