Our acoustic insulation products absorbing sound waves are effective for reducing indoor noises, and use the environmental - friendly raw elements which are not harmful to health as materials. In addition, these products can be applied to various uses requiring soundproof, so they are used for the soundproof constructions in all sorts of structures and industrial complexes; for the finishing construction of indoor soundproof and interior design in studios, schools, and churches. These products made from polyester are environmental - friendly, so they are harmless to humans. The polyester - soundproof material, "SONAC-P-BOARD" boasts its excellent sound absorption, insulation, and flame resistance, and is used for architectural purposes. Besides it, these products feature 100% - recycling, semi-permanent, and excellent durability. These soundproof materials have also many uses in the buildings with acoustic facilities like broadcasting stations which surely need to block noises, such as a studio and a broadcasting station, as well as for the industrial fields like a machine room, an air conditioning room, etc. These soundproof materials are applied as sound absorbing materials for interior finishing, which are used for soundproof construction in studios, broadcasting stations, performance halls, and movie theaters, karaokes, churches, musical instrument - practice rooms, etc. The fabric - processed front side enables you to display various colors Thickens - 25, 50, 75, 100 mm Width - 1000 mm Density - 40K Length - 2000 mm These products are the soundproof materials functioning as acoustic absorbents for interior finishing, which are used for soundproof constructions in industrial complexes with machine rooms, generation rooms, and pump rooms. The front side is finishing - processed with the dual - board Thickness - 25, 50, 75, 100 mm Width - 1000 mm Density - 40K, 50K Length - 2000 mm These soundproof materials are used as acoustic absorbing insulations for sealing, effective for sound absorbing and blocking These products are used for the constructions of ceilings, walls, floor insides, etc. which require sound absorbing and insulating. Thickness - 25, 50, 75, 100 mm Width - 1000 mm Density - 32K Length - 2000 mm Harmless to humans and easy construction due to polyester used as soundproof materials Polyester - sound absorbing materials boast excellent insulation and sound absorption Polyester - sound absorbing materials are compressed, semi-permanent in shape - safety Polyester - sound absorbing materials have excellent polyploidy                  (not degraded in sound absorbing insulation) Polyester - sound absorbing materials use 100%- recycling materials Polyester - sound absorbing materials do not produce poisonous gas when burned General Structures : Apartment, Library , Meeting Room, Seminar Room, Hotel Banquet Hall, Gymnasium, Prayer House,   etc. Commercial Structures : Hospital, Kindergarten, Academy, Bowling Alley, etc. Acoustic Facilities : Broadcasting Station, Hall, Performance Hall, Training Institute, Audio Visual Room, Studio, Theater,   Video Room, Karaoke , Aerobic Studio, Piano Studio, Musical Instrument Practice Studio, etc. Industrial Facilities : Machine Room, Generator Room, Pump Room, Plant, etc.