Three plates can be used to test the quality of the scuffing.The bonding quality can be reflected by dipping and peeling indexes.The floor sample can be used to cook to determine the pollution resistance of the selected surface.Can choose the liquid edible seasoning, ink, iodine, lipstick, black shoe and other household chemicals drop on the floor surface, for a period of time with water or alcohol, acetone solvent to wipe dirt,The surface of the floor without the pollution marks can be chosen as the choice of formaldehyde release level.
National Standard GB / 18580-2001 "The Formaldehyde Emission from the Wood-based Panel in Indoor Decoration and the Products of Wood-based Panel": for the solid wood composite floor,Formaldehyde emission is less than 0.12mg / m3 (weather box method) or = 1.5mg / L (dryer), and the limit mark E1 (can be used directly in indoor panels), more than that of the standard.
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