A perforated sheet is a sheet of metal or plastic with holes punched or stamped into it. Perforated sheets are used in many industries, including construction, food, and automotive. How are perforated sheets made? Punching: A punch or die presses holes into the sheet Laser cutting: A laser cuts holes into the sheet Nibbling: A nibbling machine uses an electrohydraulic motor to punch, cut, and form the sheet What materials are used to make perforated sheets? Stainless steel, Aluminum, Brass, Copper, Tinplate, Monel, Inconel, Titanium, and Plastic. What are the uses of perforated sheets? Filtering: Perforated sheets can filter light, sound, or fluids Ventilation: Perforated sheets can be used to ventilate spaces Decoration: Perforated sheets can be used as decorative elements in architecture Screening: Perforated sheets can be used as screens in separators, walkways, and sunscreens Soundproofing: Perforated sheets can be used to reduce sound levels What are the characteristics of perforated sheets? Hole type: Perforated sheets can have round, square, elongated, bevelled, fancy, or rhomboid holes Opening size: The diameter of each punched hole Overall width: The width of the entire sheet