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Classroom knowledge, laminated glass can reduce noise, effectively eliminate sound waves, can reach from 25dB, 30dB, 35dB to 40dB above several different grades of sound insulation effect.
1. laminated glass is generally composed of two layers of glass and film, the thickness is not large, but the glass density is large, so the laminated glass surface density is large, its sound insulation performance is the best.
2. Laminated glass has the anastomoses effect of sound insulation performance, which appears at about 3000Hz and is far away from the traffic noise of medium and low frequency. It is the ideal soundproof glass for busy traffic roads at present.
3. The film in the middle of the laminated glass is equivalent to a damping layer, which can effectively inhibit the vibration of the glass, thus improving the sound insulation performance of the glass.
4. the better the damping performance of the laminated film, the better the overall sound insulation performance of laminated glass with good sound insulation, heat insulation, anti-theft, lighting and safety performance
