Furutech LAN-8 NCF PLUS High-End Audio Ethernet Cable Furutech Nano Crystal² Formula Furutech's LAN-8 NCF features a connector shell incorporating the company's own Nano Crystal² Formula (NCF). NCF uses a special crystalline material that Furutech claims has two 'active' properties. First, they say, it generates negative ions that eliminate static. Second, it converts thermal energy into far-infrared. Furutech combines this material with nano sized ceramic particles and carbon powder for their additional 'piezoelectric effect' damping properties. The brand claim that the resulting Nano Crystal² Formula is the “ultimate electrical and mechanical damping material”. Category 8 Cable Furutech says that the LAN-8 NCF also features improved specifications for crosstalk and .