久久中文字幕亚洲精品最新_调教人妻潮噴視頻_伊人精品A片一区二区三区_亚洲国产欧美国产综合一区_亚洲av成人无码一二三在线观看_欧洲美女粗暴牲交免费观看

PRODUCT

Product

One-stop service platform, fa?ade integrated service provider

Location:Home > Products > Special door > Steel insulated fire door

Steel insulated fire door 

Effect

Steel insulated fire doors, fire doors are doors that meet the requirements of fire resistance stability, integrity and insulation for a certain period of time. It is a fireproof partition with certain fire resistance, such as in fire compartments, evacuation stairwells, vertical shafts. In addition to the function of ordinary doors, fire doors have the function of preventing the spread of fire and the spread of smoke, which can prevent the spread of fire for a certain period of time and ensure the evacuation of personnel.1.jpg

 


Composition

The fire 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 heat insulating sealing strip, a heat-dissipating structure, and the like;

The door leaf part is composed of a door leaf panel, an internal filler (fireproof board, a perlite door core board), a fireproof adhesive, and the like;

 

The company's fireproof panels are all made up of door panel + fire board + fire door core board + fire board + door panel structure. A sufficient amount of fireproof board can effectively break the fire and heat insulation effect. 






Qualification (please refer to the company for specific specifications) 


1.jpg


2.jpg


忻州市| 新野县| 马龙县| 旌德县| 准格尔旗| 大安市| 武陟县| 锡林郭勒盟| 甘德县| 牡丹江市| 股票| 师宗县| 九龙城区| 正镶白旗| 承德县| 师宗县| 兰溪市| 大同市| 台山市| 盘山县| 天津市| 大名县| 应用必备| 余江县| 礼泉县| 贞丰县| 临朐县| 横峰县| 长阳| 锡林浩特市| 上思县| 邯郸市| 磴口县| 常山县| 天门市| 麻栗坡县| 阳原县| 东丽区| 礼泉县| 攀枝花市| 沈阳市|