The thickness of the tungsten alloy plate is as follows:
Foil - a thickness of less than 0.005 in. (0.13 mm).
Plate - thickness greater than or equal to 0.188 inches (4.75 mm).
Sheet - thickness less than or equal to 0.187 inches (4.75 mm) to greater than or equal to 0.005
inches (0.13 mm)