Filament Innovations Copperfill Copper filament is made of 10% REAL Copper and 90% PLA. You can sand and polish this filament to a true shine! You can start with a fine grit sandpaper and work your way to a metal polish to really bring your final prints to life. We worked with our manufacturer on this filament and can ensure the ratio of plastic to metal. Most sellers won't release this information. Officially founded in October 2015, Filament Innovations is an open-source 3D Printing company located in the heart of historic Bethlehem, PA. We have contracted with a manufacturing company to have our filaments produced for us. All filaments are shipped vacuum sealed with added desiccant to ensure long shelf-life and freshness. 3D Printing is what we do. Buy your filament from a real 3D Printing company!
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