Plastic is a substance that is difficult to degrade, so the factory warranty is generally three to five years. As long as the ambient temperature is not too high or affected by other chemicals during storage, the quality will not be affected.

The shelf life refers to how long a product can no longer be used or will break down. The shelf life of a plastic bag is at least 3-5 years if it is not damaged by humans. There are cases to prove this, including a British one The elderly use the same plastic bag for 3 to 4 years.

Shelf life of food packaged in plastic bags

 
A: Production date or batch number, and also list the shelf life. For example, 18 months; B: List the expiration time. The above can also list the storage requirements or conditions, such as temperature requirements, etc.

Check the production date and see if the shape of the food matches the label. Whether there is mold, etc.

It ranges from a few days to several years, depending on the performance, thickness, and nature of the packaging material. For example, the shelf life of meat: 2 days to 1 week; the shelf life of condiments: 3 months to 1 year; the shelf life of dairy products: fresh dairy refrigerated The shelf life is usually 7 days. If exposed to room temperature, it will deteriorate within a few hours; the shelf life of milk powder food: 6 months in plastic bags; the shelf life of bread and cakes is generally 7 days in winter, 3 to 5 days in spring, and 3 to 5 days in summer. 1 day to 2 days, etc. For the shelf life of food packaging, it is best to communicate with professionals first. The technicians will give you the most professional advice, then decide on the material, and then conduct testing and inspection.

The shelf life is the production date plus the shelf life. There are also some foods that are directly marked with the best before date, so the date marked on it can be understood as the last use date.

Plastic products become easily weathered and brittle over time. Eating small debris into the body can easily cause cancer. Therefore, plastic products that come into contact with food can generally be replaced with new ones after about half a year of use. It is best not to use plastic products. Pack cooked food.

Cake packaged in plastic bags should not exceed 72 hours at most, and it should be in a relatively low temperature environment. Why can't it exceed 72 hours? Because eggs, oil and water are added to the cake, so it is moist but not dry overall, which shortens the shelf life of the cake. .The taste will also be greatly reduced, so it is recommended to taste it in time!

If sealed for about six months

If food is stored in plastic containers for a long time, the plastic will decompose certain chemicals that are harmful to the body and affect health. There is no problem if it is stored for a short time. Suggestion: If the food is stored for a long time, it is better to use glass or ceramic products good.