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Polytec PU is a one-component, room- temperature curing, highly flexible with excellent polyurethane-adhesive electrical conductivity. Polytec PU has been specifically developed for contacting chip modules on dual interface smart cards. It is used in micro electronics, hybrid and electronic applications. Polytec PU cures at room temperature or accelerated with heat. Polytec PU stands out due to its high flexibility combined with mechanical strength. It is also suitable for electrical contacting of copper surfaces The material can be applied by dispensing, jet-dispensing or manually.