S-LEC® Sound Acoustic Film （S-LEC® SAF） 积水S-LEC® 隔音中间膜
PVB Interlayer with enhanced sound control 增强隔音性能的PVB中间膜
[High Performance Film for laminated glass] 夹层玻璃用高性能中间膜
积水化学工业株式会社 高性能材料公司
SEKISUI Confidential
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1. What is S-LEC® SAF? 什么是隔音中间膜？
Tri-layer construction 三层结构
Acoustic Layer 隔音层
World First !
世界首创
Multi-layer interlayer 多层中间膜
Regular PVB layer 普通中间膜层
S-LEC® Sound Acoustic Film （SAF）
SEKISUI Confidential
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2. Performance review of SAF 隔音中间膜性能概述 It can cut most unwanted noise at 1000 - 4000Hz 在1000-4000赫兹频段可大幅降低噪音
Sound transmission Loss 隔声量
ISO 140 Part 1,3
结果
40
S-LEC® SAF laminated glass
使用S-LEC®隔音中间膜的玻璃
Glass Sample 玻璃样品 Speaker 扩音器
隔 声 量
35
30
Monolithic glass
25
(dB)
Normal laminated glass
20
Receiver 接收器 Acoustic room 隔音室
Better performance 更好的隔音效果
15 100 200 400 800
10dB
1000 4000
频率(Hz)
• While data shown are presented to be typical performance values, Sekisui does not guarantee satisfactory results from reliance upon such data.
汽车隔音SEKISUI Confidential
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2. Performance review of SAF 隔音中间膜性能概述 It can cut a noise from engine mount. 可抑制引擎发动产生的噪音
Loss Factor 损失系数
Mechanical Impedance Method 力阻抗法
Comparison of Loss factor 损失系数对比
0.4
S-LEC® SAF laminated glass 隔音夹层玻璃
100-300Hz
Loss factor
Vibration Resonance
0.3
共振
Better acoustic performance 更优异的隔音性能
0.2
Resonance Curve 共振曲线
Loss Factor 损失系数
损 失 系 0.1 数
10
Normal laminated glass 普通夹层玻璃
15 20 25
Temperature (deg C) 温度
• While data shown are presented to be typical performance values, Sekisui does not guarantee satisfactory results from reliance upon such data.
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3. Vehicle Test for Acoustic performance 实车隔音性能测试
1) Performance for Particular Vehicle Noise 特殊汽车噪音演示 • • • Engine 引擎 Wind 风噪 Raindrop 雨滴
2) Vehicle On-Road Testing 汽车行驶测试
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