The flame-retardant properties of flame-retardant wallpaper refer to its ability to self-extinguish or effectively prevent the spread of fire after exposure to flames. Internationally, flame-retardant wallpaper is generally classified into three levels: B1, B2, and B3, with B1 level wallpaper offering the strongest resistance to fire.
Flame-retardant properties of flame-retardant wallpaper
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