新型无缝装饰吸声材料--砂岩环保吸声板

摘要

砂岩环保吸声板是砂粒聚合而成，主体材料为二氧化硅无机物，具有天然的理化性能优势，抗压强度可达29.7 MPa，耐火等级A2，吸声系数可达0.50〜0.85，环保性好，耐水耐酸碱，完成面不开裂；并介绍了在保定长城汽车高技术研发中心报告厅的应用。%Host material of sand acoustic panels is of silica inorganic, having natural advantages of physical and chemical properties: compressive strength 29.7 MPa, combustibility rating A2, sound absorption coefifcient 0.50~0.85, environmental friendly with water and acid endurance, surface no crack absolutely. There are dozens of applications cases in China, in this paper, an R&D auditorium of Baoding Great Wall Automobile is discussed in details.