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Sound insulation performance of insulating glass and laminated glass
Editor: liefan, November 27, 2019 13:00:07

Most of the noise comes from the outside, and doors and windows are the channels to communicate with each other. The reporter inquired the designer, the method that reduces noise directly and effectively is door and window. Xinlaicheng Sales Director Zhao Jun thinks that the window glass and floor doors and windows on the street will be replaced with insulating glass. It is understood that this can reduce the noise of about 40%, if you choose the plastic steel doors and windows with good sealing performance, the indoor noise can be reduced to about 13 outdoor.

Insulating glass is composed of two or more layers of flat glass. Two or more pieces of glass are bonded with aluminum alloy frame or rubber strip with high strength and good air tightness around. Space is reserved between sealing glass and inert gas is injected to obtain excellent heat insulation and sound insulation performance. Due to the poor heat transfer performance of the air or gas sealed in the glass room, the superior sound insulation effect is produced. Insulating glass can also be placed in the interlayer into different window decorations to make a special decorative effect. In villa decoration is particularly common.
For example, the sound insulation effect on the low frequency and high frequency noise of the aircraft is not good, for example, in the low frequency and high frequency areas, the noise isolation effect is not good in the high frequency (such as low frequency) and high frequency noise (such as the sound insulation effect of the hollow glass) of the aircraft What you should pay attention to is that the so-called one or two hundred yuan per square meter hollow glass window in many small door and window shops is actually a common double-layer glass window. The double-layer glass window is two pieces of ordinary glass plus a frame without any treatment. Moreover, the double-layer window profiles sold at this price are likely to be made of fake materials, which will turn yellow and brittle in a few years. I hope you can It can attract attention when shopping.

Laminated glass laminated glass refers to the PVB intermediate film sandwiched between two or more pieces of glass. PVB membrane can reduce the amount of noise penetrating the glass, reduce the noise decibels, and achieve sound insulation effect. For example, the laminated glass made of saflex PVB plastic intermediate film can effectively block the common 1000-2000 Hz coincidence noise.

According to reports, "silent villas" have sprung up in foreign countries and are very popular. The use of laminated glass in foreign residential buildings has accounted for a considerable proportion.

Sound absorbing decorative board is a new building material which combines sound absorption and decoration. It has excellent sound absorption performance and fire retardant function. Generally, there are many kinds of color and pattern decorative cloth to choose from, and some products can be processed into various shapes according to the design requirements. Although the general laminated glass has sound insulation effect, it can not be regarded as the real sound insulation glass, but after the professional technical treatment of the intermediate membrane structure, it can achieve quite good sound insulation effect, which is incomparable between insulating glass and vacuum glass.

 Sound insulation performance of insulating glass and laminated glass

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