On warm summer nights, many people light mosquito coils to ward off insects. However, the smoldering of mosquito coils can reach temperatures as high as 700–800°C at the point of ignition, and the area within 1 centimeter of the ignition point can reach 130°C. This is sufficient to ignite flammable materials like mosquito nets, clothing, and paper. Therefore, it is essential to install fire-resistant windows in homes to mitigate fire risks.A fire window is typically composed of a steel window frame, steel window sash, and fire-resistant glass, designed to prevent the spread of fire. The installation of fire windows significantly enhances fire safety. According to national standards, fire windows are classified into three categories: Class A, Class B, and Class C. Each category corresponds to different fire resistance durations. Class A fire windows must have a fire resistance rating of no less than 1.5 hours, meaning they can prevent fire spread for at least this duration. Class B fire windows must withstand fire for no less than 1 hour, while Class C fire windows have a minimum fire resistance of 0.5 hours. This differentiation highlights the varying fire resistance levels across different classes of fire windows.For Class A fire windows, the fire-resistant glass used can be of a type that is filled with fire-resistant liquid, provided it has passed the fire resistance performance tests. The glass must have a light transmittance of no less than 75% of that of ordinary flat glass of the same thickness. The sealing materials between the frame and the fire-resistant glass should be made of non-combustible materials to ensure that they can effectively prevent fire and smoke penetration during a fire. Additionally, all hardware components should be certified products that have passed relevant testing.However, Class A fire windows are generally more expensive compared to ordinary windows, with a price difference of approximately 300 yuan. Here are some examples:
Product Category: Complete Window SetBrand: GuangyueMaterial: MetalOpening Type: ManualIs it a Special-Shaped Window: NoPrice: 430 yuanType: Fire WindowBrand: JifuEquipment Name: Fire WindowMaterial: SteelModel: 0198Price: 480 yuanType: Fire WindowBrand: Hongdu Fire ProtectionEquipment Name: Steel Fire WindowMaterial: SteelModel: FHC004Price: 1500 yuan
