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PRODUCT DESCRIPTION LOCTITE ECI 1802 E&C provides the following product characteristics: Technology Thermoplastic Appearance Grey Liquid Filler Type Silver Product Benefits ● High conductivity ● Extended screen residence time ● Excellent adhesion and solderability Application Method Screen printing Cure Infrared (IR) or Hot air drying Application Printed electronics, Electrically conductive ink Typical Assembly Applications ● Busbar structure on heterojunction crystalline silicon cells ● Ribbon connection in solar cell assembly Key Substrates ITO coated substrates, Ag plated and Al plated substrates LOCTITE ECI 1802 E&C thermoforming, electrically conductive ink specially formulated for use in electronic circuit assembly applications. TYPICAL PROPERTIES OF UNCURED MATERIAL Solids Content @ 200°C, % ~83 Viscosity, Cone & Plate, mPa?s (cP): @ Speed 5 rpm 46,000 Shelf Life @ 20 to 25°C (from date of manufacture), days 180 Flash Point - See SDS TYPICAL CURING PERFORMANCE Recommended Drying or Infrared (IR) Cycle 20 minutes @ 200°C LOCTITE ECI 1802 E&C can be dried using forced air or infrared systems. Higher temperatures for longer time exposure will improve the performance. Care should be taken with infrared. Too much energy can destroy the coating. Design drying rates for the maximum the substrate and production speeds can tolerate. The above drying profile is a guideline recommendation. Conditions (time and temperature) may vary based on customers' experience and their application requirements, as well as customer drying equipment, oven loading and actual oven temperatures. TYPICAL PROPERTIES OF CURED MATERIAL Physical Properties Adhesion to ITO, grade 5B Peel Strength of solder @ 180° angle, N >1.2 Electrical Properties Sample cured 20 minutes @ 200oC Electrical Conductivity, ohm-cm ~3.2×10-5 GENERAL INFORMATION For safe handling information on this product, consult the Safety Data Sheet, (SDS). DIRECTIONS FOR USE 1. Surface Preparation ● Clean surface thoroughly prior to application. 2. Mixing/Dilution ● Mix thoroughly before use to ensure it is homogenous. A slow speed propeller may be utilized to mix until product is uniform. ● If needed, the ink can be diluted with Butyl glycol acetate 3. Application ● LOCTITE ECI 1802 E&C may be applied by screen printing method. ● Recommended screen and printing parameters are: Screen Type Stainless steel screen Screen mesh 325 to 360 mesh Squeegee Hardness 70 to 80 CLEAN-UP ● Carbitol acetate can be used to clean the screen. STORAGE: Store product in the unopened container in a dry location. Storage information may be indicated on the product container labeling. Optimal Storage : 20 to 25 °C Material removed from containers may be contaminated during use. Do not return product to the original container. Henkel Corporation cannot assume responsibility for product which has been contaminated or stored under conditions other than those previously indicated. If additional information is required, please contact your local Technical Service Center or Customer Service Representative.