Perfect Bond Epoxy For EMI & RFI Shielding, PCB, Wave Guides, Electronic Modules, Flat Cable, Shields, Connections, Circuitry, Cold Solder 906, 250gm Brand: Atom Adhesives Type: Adhesives Color/Finish: Silver Application: microwave EMI and RFI shielding, in the assembly or repair of printed circuit boards, wave guides, electronic modules, flat cable, high frequency shields, connections, and circuitry and as a cold solder.