1, the amount of sound insulation is large: the average sound insulation amount should not be less than 35dB.

2、吸声系数高：平均吸声系数应不小于0.84。

2. The sound absorption coefficient is high: the average sound absorption coefficient should not be less than 0.84.

3、小区声屏障具有耐侯耐久性：产品应具有耐水性、耐热性、抗紫外线，不会因雨水温度变化引起降低性能或品质异常。产品一般对铝合金卷板、镀锌卷板、H钢立柱表面进行镀锌处理，防腐年限在15年以上。

3, community noise barrier has durability: products should be water-resistant, heat-resistant and UV resistant, and will not cause performance or quality abnormality due to the change of rainwater temperature. The products are generally galvanized on the surface of aluminum alloy roll, galvanized roll and H steel column. The years of corrosion protection are more than 15 years.

4、美观：可选择多种色彩和造型进行组合，与周围环境协调，形成亮丽风景线。

4, beauty: can choose a variety of colors and shapes to combine, and the surrounding environment, to form a beautiful scenery line.

5、经济：装配式施工，提高工作效率，缩短施工时间，可节省施工费及人工费。

5, economy: assembling construction, improving work efficiency and shortening construction time can save construction fee and labor cost.

6、小区声屏障方便：与其它制品并行安装，易维修，更新方便。

6. The cell sound barrier is convenient: it is installed in parallel with other products, easy to repair and easy to update.

7、轻便：声屏障系列产品具有自重轻特点，可减轻高架轻轨、高架路的承重负荷，可降低结构造价。

7, light: sound barrier series of products with weight and light characteristics, can reduce the overhead light rail, elevated road load, can reduce the cost of the structure.

8、防火：采用超细玻璃棉，由于其熔点高，不可燃，完全满足环保和防火规范的要求。

8, fire protection: the use of ultra-fine glass cotton, because of its high melting point, non combustible, fully meet the requirements of environmental protection and fire protection.