Canadian plastic bags for food packaging has strict regulations, the provisions of ordinary plastic bags of food can not be used for the temperature at 50 degrees Celsius for more than food; on food packaging must be marked with the maximum temperature can be achieved.

Canada's a lot of plastic packaging, people eat fast food items are a lot of plastic tray to add a layer of plastic film for packaging. Canadian part of regular plastic tray in the heating consumption of fast food products, but the old-fashioned plastic packaging trays at ambient temperature under the quality of instability, when heated to the release of harmful substances more easily. In this regard, food and packaging materials to health authority requirements on manufacturers in the food stamp distinct tags, which specify the packaging can be used microwave heating, which can use conventional heating cooker, which can not be packaged with heating.