A spray-or brush-applied fire retardant coating made from nanocellulose is well suited for improving the fire properties of wood-based materials.It reduces the access of oxygen to the surface,thus significantly inhibiting combustion.The coating is set to revolutionise the market for coatings used in the fire retardant treatment of construction materials.VTT has found an effective production method for the coating through piloting and is currently seeking a partner to commercialise the technology.The fire retardant coating is based on HefCel technology(High-Consistency Enzymatic Fibrillation of Cellulose) developed and patented by VTT.HefCel technology enables the efficient and cost-effective production of nanocellulose from wood-based pulp.
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