Sound Insulation Material in the Floor of the Apartment Building and Manufaturing Methods

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difference tone reconsideration manufacturing method relates to the present invention refers to, than such as Villari receives the at least one layer of set of building 2 is provided to weight from upper interlayer slab for blocking the impulsive sounddifference tone reconsideration relates to manufacturing method. Use of asphalt and least re-difference tone interlayer of building set of the present invention, a viscoelastic material such and, silica in 5 ∼ 10 millimeter and grain size are rubber mixed with the range of, near the re-difference tone is further functional material characterized by controlled by a use for goods, functional material an insulating material, powdered or loess any one or more copper characterized in that, including. difference tone reconsideration the manufacturing method of the present invention, mixing the reinforcing, acoustical enhancement, and rubber viscoelastic material and number 1, mixed viscoelastic material and rubber heated to 110-130 °C a melting and number 2, are absorbed thereto to have a particle size of at 5-10mm and sorting silica screening, for heating selected are absorbed thereto 110-130 °C next silica, insulating material, 110-130 °C any one or more of copper powdered or loess method includes a next, step number 2 water heated in the viscoelastic material and rubber and said silica insulating material and silica water heated in the heating step, copper powdered or loess water heated in the heating step maintains the temperature material mixing and agitating and number 3, bottom mold said preparing and molding frame oil paper and steps requiring shaping mold of installing, number 3 step mixed viscoelastic material, rubber and silica filled lengthwise and having a thickness lower than said mixture of uniformly controlling the step number 4, and number 4 in step S400 naturally a cooling fluid for cooling to this fitting process consisting [...]. ÷ film a is.