Copper is the metal that mankind has been using for the longest time: objects made of this metal have been found dating back to 8,700 B.C. Copper is a pinkish or reddish metal with very high thermal and electrical conductivity, surpassed only by silver. It is very resistant to corrosion, thanks to a thin layer of oxidation, first brown and then green or greenish-blue, that forms on its surface, and is not magnetic. Copper is a metal that lends itself to easy workability, and is extremely ductile and malleable, perfect for armoured door coverings. It is easily recyclable, and its scrap has a high recovery value. It combines well with other materials, in fact more than 400 metal alloys are known to contain copper.
The main properties of copper security door coverings are:
In Mas, the collection of copper security door covers is special in terms of both models and materials.
In fact, the particularity of copper's ability to continuously change the colour of its surface over time as it oxidises allows us to create a unique collection.
