Views: 8 Author: Site Editor Publish Time: 2021-03-06 Origin: Site
From the perspective of fire safety, the rigid foam of the polyurethane high-pressure foaming machine is a thermosetting foam plastic. The foam itself is divided into three levels: B1 (flame-resistant), B2 (flammable), and B3 (flammable). It can also be combined with some inorganic Insulation materials are compounded together to make Class A composite non-combustible materials.
1. my country's current standards require that materials used in building exterior wall insulation must have a combustion performance not lower than B2. The rigid foam of the polyurethane high-pressure foaming machine can fully meet the requirements.
2. B2 grade polyurethane rigid foam will be carbonized in a fire environment and will not produce combustion drips. The flue gas emitted during combustion is mainly carbon monoxide, carbon dioxide, nitrogen oxides and a very small amount of hydrogen cyanide.
3. These substances are the same as the products when we burn natural substances such as wood, leather and wool, and there is no special danger.
4. The 14 fire tests of polyurethane rigid foam exterior moisturizing wall model fire conducted by the Fire Protection Institute of the Chinese Academy of Building Research all show that the B2 polyurethane rigid foam thin plastering system does not have flame propagation, and the system remains in the combustion process. Stable, no flashover and collapse or fall off.
CNMC-E3 polyurethane foam spraying machine shipped to USA.Voltage: 110V, equipped with 1 gun, 1 lifting pump, 1 Graco pipe, 1 round nozzle of gun, 2 meters of air hose, 1 tool box.
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