PPG now offers a full line of electrically conductive, resistive and dielectric inks and conductive coatings for radio-frequency interference/electromagnetic interference (RFI/EMI) suppression. These inks and coatings are used in applications such as: touch-control panels for smartphones, tablets and other consumer devices; interactive and electrochromic displays; biomedical sensors; printed keypads and other industrial membrane switch controls; radio-frequency identification (RFID) tags; and other products that require printed circuitry.