DuPont™ ME778

DuPont™ ME778 Crossover Dielectric Typical Physical and Electrical Properties Test Properties Solids, (%) @ 150°C 62 – 65 Viscosity, (Pa.s) [Brookfield RVT #14 Spindle; 10 RPM, 25°C] 40 – 70 Thinner DuPont™ 3610 Coverage (cm2 /gr @ 10µm thickness) 290 Recommended total crossover thickness (µm) >25 Dielectric Constant (17mm2 test target) 18 Adhesion to Polycarbonate Scotch Tape #600, Crosshatch (ASTM D3359) 5 Breakdown Voltage [1mm traces at 90 degrees with >= 25µm dielectric] (kV) > 2.5 Color White This table shows anticipated typical physical properties for DuPont™ ME778 based on specific controlled experiments in our labs and are not intended to represent the product specifications, details of which are available upon request. Coverage value based on printing with a 280-030 (0.0012” wire diameter) stainless steel screen. Processing Substrates Polycarbonate, surface-treated polyester Screen Printing Equipment Reel-to-reel, semi-automatic or manual Ink Residence Time on Screen < 1 Hour Screen Types Polyester, stainless steel Typical Drying Conditions Box oven: 120°C for 20 minutes in a well-ventilated oven Reel-to-reel: 120°C for 4 minutes in a well-ventilated tunnel dryer Typical Layer Thickness 7~10µm per layer; printed with a 280-030 (0.0012” wire diameter) stainless steel screen or 77-48 (threads/cm - wire diameter) PET screen. Product Description DuPont™ ME778 is a part of the DuPont suite of materials developed for In-Mold Electronic applications. ME778 is a solvent based crossover dielectric designed to be used in complex, stretchable multilayer circuits. It performs well in thermoformed and over-molded applications due to its unique chemistry.