產品說明： 隔音棉采用EPDM環保橡膠原料,結合雙面閉孔發泡技術,讓隔音效果更完美更健康；產品自帶強力環保無味膠粘，而且不粘手，讓施工既簡單又牢固。 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. 公司已經獲得 ISO9001 2008 質量管理體系認證。