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If you are a manufacturer, it is your responsibility to make sure that the packaging you use is safe for its intended purpose. There will be specific tests to check that it is suitable for this use. The test will also check that your packaging meets legal limits when consumers use it as intended.

Food packaging is often designed to be used just once with one type of food. It might not be safe to use with other foods or for a different purpose. If consumers use food packaging in other ways than those the manufacturer intended, more chemicals could transfer from it into the food than otherwise expected.

Points to consider when re-using packaging

There are some points to bear in mind if you're thinking about re-using food containers or wrappings. It's important to:

• Be careful about re-using packaging with a different type of food to the one it contained when you bought it. For example, if you re-use water bottles to hold fruit juice the acidity may cause more chemicals to move into the drink.
• Remember that chemicals are less likely to transfer between packaging and food at lower temperatures. If you're planning to freeze pur茅ed food in food grade plastic trays, make sure you let the food cool before you fill the trays.
• Always follow the manufacturer's instructions on plastic containers.
• Only microwave food in containers or tubs that are clearly labelled "microwave safe".
• Only put containers you want to use with food into a dishwasher if they're clearly labelled "dishwasher safe".
• Never re-use empty cans or tins to cook or store food.