date:Feb 26, 2016
eping the food warm for some time.
Tins
These are widely used in packaging when it is done in the factory and it needs a lot of investment. So, canned products have maximum shelf life as they prevent the food from being in contact with oxygen. However, a little bit of damage to the tins can spoil the product due to cracks or dents. Also, corrosion is critical for canned products and they are required to be kept in a cool and dry place so that they do not rust.
Aluminium foil
It is available in