Requirements for fusible daylighting belt
I The fusible daylighting belt must conform to GB8624-2012 Standard B1 Level above.
II When the temperature rises to（ one hundred and twenty ℃ -150 ℃), the fusible daylighting belt should give full play to its Smoke and heat exhaust function.
III In case of fire, the fusible daylighting belt will not produce molten drops.
IV Fusible daylighting belt under the action of specified external force（ 57kj/m ² -60kj/m ²) It will break.
V The ultraviolet transmittance of the fusible daylighting belt is “ zero ”And excluding Glass fibre
VI Fusible daylighting belt shall meet the requirements of energy conservation and environmental protection: thermal conductivity ≦ 0.07w/m ·k
VII Smoke toxicity level in case of fire shall reach ZA3 , Flue gas generation rate index ≤ 20 ㎡ /s two ， Smoke production within 600s ≤ 100 ㎡
VIII The above corresponding test report must be provided
Fusible daylighting zone Description of requirements
one . The fusible daylighting belt must accord with GB8624-2012 Standard B1 Level above 。
The objects of fusible daylighting belt are: medium and large workshops, densely populated places (such as fairs, shopping malls, office buildings, small buildings, exhibition centers, stations, stadiums, etc.), flammable workshops, flammable warehouses, logistics warehouses, etc. According to the Fire Control Law of the People's Republic of China, the use of flammable building materials is prohibited for roofing materials. Flammable materials are harmful and are more likely to cause passive fires, such as cigarette butts; Firecrackers and other falling on flammable materials are easy to ignite and burn, resulting in unnecessary fires in the factory buildings or crowded places that would not have caused fires, resulting in greater consequences.
two . When the temperature rises to（ one hundred and twenty ℃ -1 fifty ℃), the fusible daylighting belt will give full play to its smoke exhaust Heat removal Function.
In case of fire other The roofs of buildings using flammable daylighting belts are relatively high, and fires generally do not burn to the roofs quickly, but the temperature will rise rapidly when a fire occurs, and a large amount of smoke will be generated, so the flammable daylighting belts will one hundred and twenty When the temperature is ℃, the smoke exhaust function shall be rapidly exerted. thick smoke And heat release to reduce the harm to evacuated people.
three . In case of fire, the fusible daylighting belt will not produce molten drops.
When a fire burns to the flammable daylighting belt, the fusible daylighting belt cannot help the fire spread, so that people can evacuate to gain valuable time.
four . Fusible daylighting belt under the action of specified external force（ 57kj/m ² -60kj/m ²) It will break.
When a fire occurs, the temperature has not risen to the smoke exhaust temperature, and the firefighters arrive in time. The firefighters can use external force to break the fusible ribbon, which helps the firefighters to put out the fire quickly and put out the fire source.
five . The ultraviolet transmittance of the fusible daylighting belt is“ zero ” And without glass fiber
Ultraviolet rays usually do great harm to goods or people in the plant, zero The transmittance indicates that the fusible daylighting belt can have enough service life to protect goods and people at ordinary times. The fusible daylighting belt containing glass fiber is more than 200 The smoke exhaust effect is still not achieved under high temperature.
VI Fusible daylighting belt shall meet the requirements of energy conservation and environmental protection: thermal conductivity ≦ 0.07w/m.k
