Caikote 44 Kit, Caig Conductive Carbon Coating for most surfaces (rubber, epoxy, glass, plastic) It is ideal for repairing membrane buttons, keyboard buttons, and other carbon based surfaces It may also be used as a coating for shielding (EMI) of electronics. Net Weight: 1.0 g Surface Resistivity: 50 ohms/sq Volume Resistivity: 0.5 ohm-cm Attenuation: 60-65 dB @ 2 mils Recommended Film Thickness: 2.0 - 3.0 mils (51-75 mm)