Sound-absorbing,Decorative,Flame retardant,Light weight: 229kg/m3, 2.07kg/m2. 1. FeaturePolyester fiber acoustic board combined with a variety of strengths and needs of modern decoration, using 100% natural fibers into a hot plate by high-tech. This product is highly decorative, simply construction, rich of shapes.and patterns. It not only use in finish material, also can be painted on the ...