Teflon / PTFE / FEP Extruded High Performance Bulk 80-Conductor 0.025 pitch Ribbon Cable

Insulation: FEP Teflon

Conductor: 80 wire, silver braided

Color: Natural

Cost: about £20 to £25 per/m

http://www.mycableshop.com/sku/WIRRIB80FEP.htm?x=28&y=18

Which (forgive me for sounding cynical) sounds very much like "80 conductor Teflon insulated solidcore silverplated copper ribbon cable".