产品说明： 隔音棉采用EPDM环保橡胶原料,结合双面闭孔发泡技术,让隔音效果更完美更健康；产品自带强力环保无味胶粘，而且不粘手，让施工既简单又牢固。 Instruction: The product is made of strong spongy material EPDM, in combination with double obturator foaming surface. It can make the sound-proof effect perfect. This product has strong environmental non-smell self-adhensive glue, and it is not sticky to the hands, making the engineering process simple and convenient. 公司已经获得 ISO9001 2008 质量管理体系认证。