FDA grade aluminum foil refers to aluminum foil that meets the standards of the U.S. Food and Drug Administration (FDA), and is usually used for food packaging and medical purposes. The FDA has strict regulations on food contact materials to ensure that these materials do not release harmful substances when in contact with food, thereby ensuring food safety.
Core characteristics of FDA grade aluminum foil
- High-purity aluminum substrate
– The purity must reach more than 99% to ensure that no harmful impurities in the material migrate into food or medicine.
– The surface needs to be specially treated (such as passivation) to form a dense oxide film to improve corrosion resistance.
- Excellent barrier properties
– It has strong barrier properties against oxygen, water vapor, and light, which can effectively extend the shelf life of the product.
– It has good heat sealing performance and forms a high-barrier packaging structure after being compounded with plastic film.
- Safety compliance
– Complies with regulations such as FDA 21 CFR 177.1390 to ensure that the material is non-toxic, odorless, and has no migration risk when in contact with food.
– Pass heavy metal migration tests (such as lead, cadmium, mercury, etc.), and the migration amount must be lower than the limit specified by the FDA.
Features of FDA grade aluminum foil:
– Safety: FDA grade aluminium foil is certified to meet relevant food contact safety standards, ensuring that it will not contaminate food under normal use conditions.
– Moisture resistance: Aluminum foil food grade has excellent moisture resistance, which can effectively block moisture and maintain the freshness of food.
– Barrier properties: Aluminum foil has good barrier properties to light, oxygen and gas, which can effectively extend the shelf life of food.
– High temperature resistance: Aluminum foil can withstand certain high temperatures, so it can be used in baking, heating and other occasions.
– Recyclability: Aluminum foil is a recyclable material and meets environmental protection requirements.
Application areas of FDA grade aluminium foil:
– Food packaging: used to package various foods, such as cooked food, frozen food, dried fruits, candies, etc.
– Medical use: used to package medicines, medical devices, etc. to ensure the sterility and safety of the product.
Therefore, when it comes to FDA grade aluminum foil, it means that this aluminum foil has undergone corresponding compliance inspections and is considered suitable for packaging sensitive items such as food and medicine, thereby ensuring the safety of consumers.
