JL SPECIAL MATERIAL 產業用途 泡綿原料 緩衝材 Cushioning BRBF-100 BRBF-45 STXM SAX-ML ZZX VDK ZSW FGZ FGG ZUW ZKB VHZ DGZ FLZ FLG TAX TAG 吸音材 Sound Absorption SKZE SKXE VOXR MZZI-ML VVX VHZ CHK RFZ 隔音材 Headphone padding FXBL 避震 Speaker edge FGZ 過濾 Filtering FGZ 空氣密封 Air Sealing UBTK VOXR VVX RBZ 水密封 Water Sealing RRZ