Products Profile: Formaldehyde-free glass wool blanket is made by glass fiber bonded with inorganic resin and then pressed heatedly in to soft felt. Also formaldehyde-free glass wool board is rigidity. Application: To meet the market demands for green, environmental construction materials, LANGANG has developed formaldehyde-free glass wool for high standards. It always used for ceiling boards to avoid formaldehyde, nol and other harmful substances for human and environmental hazards.