1999年12月18日由上海市声学学会主持,请韩国世光株式会社(SekwangcoLtd)介绍了一种隔声隔振浮筑结构的新材料——世光消音剂。该型消音剂是利用废弃橡胶轮胎为原料,经清理、破碎、松散并添加粘结剂、加强剂、防老化剂等制成类似于肉松一样的袋装消音剂。将它辅装于楼层结... On December 18, 1999, he was presided over by the Shanghai Society of Acoustics, and invited Sekwangco Ltd. to introduce a new material called Shiguang Muffler for sound insulation and floating structures. This type of muffling agent uses waste rubber tires as raw materials, and is cleaned, broken, loosened, added with a binder, a reinforcing agent, an anti-aging agent, etc. to make a bag-like muffler similar to the floss. Attach it to the floor knot...