It looks like aliminium. The printing made on aliminium is absorbed by the material. It’s suitable under any weather conditions. It’s resistant to high micron material oxidation and corrosion.The paint on the aliminium is resistant to any kind of chemical elements like naphta, petrol and ethyl alcohol.
High micron aliminium etiquette can be especially preferred in industrial
machines and control boards, where the chemical substances are
intensively used.