What are the characteristics of Class A fire doors?
Fire doors are an indispensable part of fire fighting equipment. Fire doors can effectively prevent the spread of fire, allowing people to quickly arbitrage the fire scene and ensure people's lives and property safety. Fire doors can be divided into three grades of A, B and C according to their equivalent. So what are the characteristics of Class A fire doors , what are the main materials of fire doors? Which kind of fire doors are good, the following article will introduce you.
What are the characteristics of Class A fire doors
1. Long fire protection time
All Class A fire doors have a common characteristic, that is, they have a longer fire time. The fire resistance time of Class A fire doors is usually not less than 1.2 hours, which can effectively evacuate the crowd and reduce losses. This is other fire doors. The lock cannot be reached.
2. Thick
The thickness of Class A fire doors is usually more than 50mm, the thickness is thicker, and the fire protection effect is more excellent.
3. Filling materials
The filling materials of Class A fire doors are mainly perlite, and some will also use fireproof materials such as foam door core boards, vermiculite fire boards, MC composite materials and so on. These filler materials have excellent fire protection effects.
What kind of fire door material is good
1. Wooden fire door
The wooden fire door belongs to an earlier Fangshuo isolation product, which is mainly used in the safe passage of those public places. The weight is relatively light, the decorative effect is strong, and the price is affordable.
2. Steel fire door
Steel fire door is currently the most widely used fire door. It is not only used frequently in industrial and mining enterprises, but also used in civil buildings. The steel fire door is excellent in stability, durable, and has excellent fire and anti-theft performance. It is widely used In the warehouse, machine, power distribution room.
3. Fireproof glass door
The frame of the fireproof glass door is mainly made of stainless steel or steel materials, with a large area of ​​fireproof glass in the middle. It not only has excellent fireproof effect, but also has strong perspective performance. It is widely used in shopping malls, office buildings, and hospitals.
4. Stainless steel fire door
The stainless steel fire door mainly uses 304 stainless steel as the frame material, and at the same time is filled with fireproof boards and refractory flame retardant materials. The grade is relatively high and it is not easy to be corroded. It is mainly used in those areas that are prone to moisture corrosion.
Summary of the article: The above is about the characteristics of Class A fire doors and what kind of materials are good for fire doors. I hope to provide you with some help when buying fire doors to make a safe fire environment. If you have other related needs, please pay attention to Qijia Information.
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