Cement face rock wool insulation board Because it is usually used for sound insulation of light walls. The typical structure of this lightweight wall is: gypsum board (1 or more layers) + keel + rock wool board + gypsum board (1 or more layers). The rock wool board plays the role of sound absorption here, and the absorption part is worn. The sound waves passing through the gypsum board reduce the back and forth reflection of the sound waves in the cavity formed between the gypsum board, the keel and the gypsum board, thereby achieving the effect of improving the sound insulation of the wall. It has been proved that the light-weight wall after the rock wool board with a packing density of 80-150 kg/m3 is improved by 8-15 dB than the sound-insulating effect of the rock wool without gypsum board alone. This rock wool board is not the same as the inferior rock wool sold on the market. The special rock wool board for the silent wall is a new product specially developed for light wall sound insulation. It has been fully acoustically optimized: density ——The density of special rock wool board for mute Bao partition is set to 100-200kg/m3, which is the best density for wall sound insulation, which not only guarantees the best sound insulation effect, but also guarantees the wall and the material itself. strength. The density of rock wool sold in the building materials market generally does not exceed 60kg / m3, the sound insulation effect is not good and the hand feel is very soft, it is easy to completely lose its sound insulation function due to sagging; the slag ball - mute Bao partition wall special rock wool board is not one-sided pursuit of slag The ball content is strictly controlled, and the particle size of the slag ball is strictly controlled and the uniform distribution of the slag ball in the rock wool board is ensured. When the sound wave encounters the slag ball, the energy is reduced by reflection and scattering, and the sound insulation effect of the rock wool board is improved. The rock wool sold in the building materials market is easy to form soundproofing holes due to uneven density; the amount of glue - the special rock wool board of the mute treasure partition wall is manually renewed, ensuring the uniformity and strength of the cotton layer, and is formed by high temperature pressing. No need to add too much adhesive, so the rock wool's fire performance is well maintained. The rock wool sold in the building materials market maintains the strength at low density and adds a large amount of glue, which not only reduces the fireproof performance, but also causes the aging of the rubber to cause the rock wool board to sag and sag; the size - the special rock wool board for the mute treasure partition wall In order to facilitate the construction, the width is determined to be 800mm, 600mm, 400mm according to the standard spacing of the keel, so that it is not necessary to cut the rock wool board during construction, thereby reducing the stimulation of the rock wool debris to the construction personnel. The reason why the rock wool sold in the building materials market is limited to equipment and the like is generally required to be cut at the construction site. After the optimized design, the special rock wool board of the mute treasure partition wall can improve the sound insulation effect of the light wall by more than 10 decibels. Handrail And Balustrading Stainless Steel Handrail Bracket Support Fitting
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