亚洲综合色噜噜狠狠网站_亚洲成a v人片在线观看_在线无码午夜福利高潮视频_亚洲无码最新视频

Soundproof door

Effect

The soundproof door is mainly used to block the sound transmission between the two building spaces. Generally, the soundproof doors produced by our company are mainly used in offices, high noise spaces (such as engine research and development rooms, etc.), theaters and other places.

Composition

The soundproof door is divided into two parts: the door frame and the door leaf.

The door frame portion is composed of a steel door frame body, a sealing strip, a sealing strip groove, etc., and one or more layers of soundproof sealing grooves are provided according to different sound insulation properties.

The door leaf is partially covered by a door panel and an internal filler (usually rock wool);

The company's soundproof door design, through the reasonable use of sound-proof sealing groove, reasonable sealing of the door slit, while filling the internal materials by special technology, so that the sound-proof door can play a good effect. 

Inspection report (specific air sound meter sound insulation, please consult our company)