How does wood products use wood flame retardants?
Surface spray treatment refers to the final processing of wood and its products on the surface of the brushing or spraying flame retardant or flame retardant coating to isolate the heat source, to prevent the material surface contact with air, reduce the combustion performance. It is suitable for wood products with low flame retardancy or wood materials such as ancient building blocks which are inconvenient to treat.
At present, the mainstream varieties of environmentally friendly flame retardants are water-soluble products, so the main method of adding dipping treatment. The impregnation treatment is a flame retardant treatment method in which the flame retardant solution is injected into a wood or wood-based panel at atmospheric pressure, vacuum, pressurized or integrated under several pressure conditions. The impregnation treatment of the wood material flame retardant treatment method, especially the high pressure impregnation method, is the most widely used in the production and the best way to flame retardant effect.
The advantage of spray treatment is to effectively control the spread of fire, the amount of less, the physical and mechanical properties of wood less affected, the flame resistance of the anti-flow is good, the process is simple, the disadvantage is to cover the original texture and texture of wood, and Once the protective layer is damaged, its flame retardant properties immediately disappear. 2, impregnation treatment
The key to adding the environmental protection flame retardant treatment method is to add the flame retardant to the wood material, how to improve the flame retardant performance of the flame retardant of the wood while improving the flame retardant performance of the flame retardant use. At present, the most widely used two treatment methods are spray treatment and dipping treatment. 1, spray treatment
