Your Reliable Acoustic Glass Supplier

Acoustic glass (also referred to as soundproof glass) is the most significant factor in mitigating noise pollution through windows. It is a specialized glass system designed to attenuate and dissipate sound.

Factors Affecting Soundproofing Effectiveness

Coating Types

Online Low-E: Features a higher emissivity, moderate thermal insulation, and a higher shading coefficient. Ideal for colder regions, primarily for heat retention. While its thermal insulation is slightly less effective than Offline Low-E, it surpasses that of heat-reflective coatings.
Offline Single Silver Low-E: Exhibits low emissivity , excellent thermal insulation, and adjustable shading coefficients. Offers superior overall performance, making it suitable for hot climates or scenarios requiring both insulation and heat resistance.
Offline Multi-Silver Low-E: Boasts even lower emissivity, reduced shading coefficients, and higher light-to-solar gain ratios (Double Silver ≥1.5, Triple Silver ≥1.9). Provides enhanced insulation and heat resistance, ideal for regions with stringent energy efficiency requirements.
Heat-Reflective: Lacks low-emissivity properties; primarily reduces solar radiation transmission for shading purposes. Suitable for standalone use in applications requiring sun shading.

Glass Structures

Insulated Glass: Features an air gap that effectively reduces heat transfer, minimizing indoor-outdoor thermal exchange and significantly lowering noise transmission. Widely used in residential and office buildings requiring energy efficiency and sound insulation.
Triple-Glazed Double-Cavity Glass: Comprises two air cavities, further reducing heat transfer and achieving lower U-values. Ideal for climates with significant temperature variations, effectively minimizing heat loss. Suited for cold regions or energy-efficient public building exteriors.

Thermal Interlayer Film

When laminated glass incorporates specialized thermal interlayer films, it effectively absorbs solar radiation, reducing heat transfer into the interior. Combined with the safety benefits of laminated glass, this thermal laminated glass is

Coating Types

Glass Structures

Thermal Interlayer Film

Sound insulation glass products

What is resonant frequency

In essence, the thicker the glass, the better its noise reduction capabilities. However, glass possesses a natural resonant frequency. When this frequency coincides with that of sound waves, the glass undergoes resonance, which can diminish its soundproofing effectiveness.

Therefore, we recommend the use of laminated glass or double-glazed glass to minimize the occurrence of resonance and enhance sound insulation.

Application scenarios of soundproof glass

Residences

Installed on the windows of areas such as bedrooms and living rooms

Schools

Installing soundproof glass in classrooms can reduce the interference

Hospitals

Soundproof glass can be used in areas such as hospital wards

Offices

It can be installed on the windows and partitions of the office to reduce

FAQ

What is the relationship between soundproof glass and laminated glass?

Soundproof glass is a type of functional glass designed to reduce the transmission of noise.

Laminated glass, on the other hand, is a structural glass made by sandwiching a film (such as PVB, EVA, or SGP) between two panes of glass. Due to the film layer’s damping effect on sound waves, it offers superior soundproofing performance, reducing noise by 2-3 dB more than a single pane of glass of the same thickness. When specialized soundproofing films are used, the noise reduction can be even greater. As a result, soundproof glass is often constructed as laminated glass.

Does thicker glass always reduce noise?

Yes and no. Glass is not an ideal conductor of sound, so thicker glass generally makes it harder for sound to pass through. However, sound waves of specific frequencies can cause a “resonance phenomenon” with the glass. This phenomenon amplifies noise, and glass of any thickness has its own resonant frequency. Therefore, no matter how thick the glass is, there will always be a frequency at which the glass actually amplifies noise. This is why soundproof window systems often use two panes of glass of different thicknesses—to counteract each other’s resonant frequencies.

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