人们正常讲话的声音大约是60-70db,大声呼喊可达100db。参考《民用建筑隔声设计规范》中有关楼板撞击声隔声标准减震效果撞击声压级为1Lpn,w=78dB的100m钢筋混凝土楼板上,哪家生产电子交联减震垫。在中式餐馆中,往往由于缺乏吸声处理,人声鼎沸,声音将达到70-80db,有国外研究报道噪声中进餐会影响健康。人耳的听觉上限一般是120db,1**过120db的声音会造成听觉qi官的损伤,140db的声音会使人失去听觉。高分贝喇叭、重型机械、喷气飞机引擎等都能够产生**过120db的声音。
产品优点:
Product merits
1.重量轻、易于铺装。
It’s easy to install because of light weight and easy handing .Only one day needed to finish a standa size field.
2.不吸水性,专业人造草坪减震垫厂家,铺装不受天气的影响
2.不吸水性,专业人造草坪减震垫厂家,铺装不受天气的影响Closed cell PE foam doesn’t absorb water drainage and avoid swelling or shrinking and thus the dimension always remain stable.
3.切割平整,接头可快速、准确地焊接好;
Since edges are cut neatly, all the joints can be easily and accurately welded.