一般而言，防火卷簾門分為甲、乙、丙三個等級，每個等級對于耐火性的要求不同。下面濟南卷簾門廠家為您講解其中的內容。

Generally speaking, the fireproof rolling shutter door is divided into three grades: A, B and C, and each grade has different requirements for fire resistance. Next, Jinan roller shutter door manufacturer will explain the contents for you.

●防火卷簾門

● Class A fireproof rolling shutter door

防火卷簾門門的材質有鋼質和木質，防火卷簾門門的耐火時間為不小于1.5小時，這一點才能被稱為防火卷簾門門。防火卷簾門門一般采用的珍珠巖，少量的也會采用蛭石防火板、發(fā)泡門芯板、MC符合材料等等防火材料，防火卷簾門門的厚度一般為50mm，在一些防火性能要求比較嚴格的地方一般都是安裝的是防火卷簾門門。

The materials of Class A fire shutter door are steel and wood, and the fire resistance time of Class A fire shutter door is not less than 1.5 hours, which can be called Class A fire shutter door. Pearlite is generally used for Class A fireproof rolling shutter door, and a small amount of vermiculite fireproof board, foam door core board, MC conforming material and other fireproof materials will also be used. The thickness of Class A fireproof rolling shutter door is generally 50mm, and in some places with strict fire performance requirements, Class A fireproof rolling shutter door is generally installed.

●乙級防火卷簾門

● Class B fireproof rolling shutter door

乙級防火卷簾門門在家庭防火中普遍使用，它是家庭防火的關鍵一步，木質防火卷簾門門的制作進行干燥和阻燃處理。其中防火卷簾門門上使用的五金配件也采用防火五金配件，乙級防火卷簾門門的耐火時間不低于1.0小時，乙級防火卷簾門門的使用對我們家庭防火具有重要的作用。使我們的生命和財產得到了保護，在家庭防火中扮演著一個的關鍵步驟。

Class B fireproof rolling shutter door is widely used in family fire prevention, which is the key step of family fire prevention. The production of wooden fireproof rolling shutter door is subject to drying and flame retardant treatment. Among them, the hardware fittings used on the fireproof rolling shutter door are also fireproof hardware fittings. The fire resistance time of Class B fireproof rolling shutter door is not less than 1.0 hour. The use of Class B fireproof rolling shutter door plays an important role in our family fire prevention. It protects our lives and property, and plays a key role in family fire prevention.

●丙級防火卷簾門

● Class C fireproof rolling shutter door

丙級防火卷簾門的耐火時間要求不低于0.5小時，丙級防火卷簾門門材質一般選用的是冷軋鋼板和不銹鋼，內填、健康的隔熱材料，在火災發(fā)生時丙級防火卷簾門門可以起到阻礙火勢蔓延和減少煙氣活動的作用，為人員的疏散提供寶貴的時間保證人員的。

The fire resistance time of Class C fire shutter door is required to be no less than 0.5 hours. The material of Class C fire shutter door is generally cold-rolled steel plate and stainless steel, filled with environmental protection and healthy thermal insulation materials. In case of fire, Class C fire shutter door can play a role in preventing fire spread and reducing smoke activity, providing valuable time for personnel evacuation to ensure personnel safety.

防火卷簾門作為、等大型建筑中常見的消防防火產品，能有效阻止火勢蔓延，為火災時挽救人民生命財產提供更多時間。你有需求就來我們網站http://m.99feipin.cn咨詢吧！

As a common fire protection product in shopping malls, supermarkets and other large buildings, fire shutter doors can effectively prevent the spread of fire and provide more time to save people's lives and property in case of fire. Come to our website if you need http://m.99feipin.cn Ask!