Our highest concentration of Silver Paint: 70%! New Formulation sticks well to glass! SP-70 is a low viscosity, high solids, 70% silver-filled ink designed originally for high speed gravure and rotary screen printing processes. It is also suitable for spray and coating applications. SP-70 dries to a hard, durable and very flexible film and has excellent conductivity ? especially in very thin traces down to 5 to 6 μm dried thickness. SP-70 is designed to dry very quickly, and has excellent adhesion to a wide variety of plastic and metal substrates. It also adheres well to glass. Applications for SP-70 include RFID and cell phone antennas, medical EEG and EKG sensors and EMI/RFI shielding applications. Non-hazardous and ships anywhere with no restrictions.