... printing ,packing . 2.extra-thick design makes cooking,barbecue more attracting household foil/ food packing:SpecificationsHousehold Alumium ... Cadmium Not Detected. Mercury Not Detected,Hexavalent Chromiumr by Alkaline Digestion not Detected.Application of aluminum foil ... hotel, restaurant,airline, factory etc. Detailed application in cooking Lining baking pans, freezing meat, lining cookie sheet, ...