1. The main function is to remove oxygen.
In fact, the fresh-keeping principle of vacuum packaging is not complicated. One of the most important links is to remove the oxygen in the packaged products. Just take out the oxygen in the packaging bag and food, and then seal the packaging to avoid air...
Vacuum packaging bag first arose in the 1940s, and vacuum packaging bags are widely used to pack meat. In 1957, the predecessor company of Qingdao Advanmatch Packaging Co., Ltd. officially used vacuum packaging bags and commissioned the vacuum packaging machine. Vacuum packaged food has the follo...
Recently, some consumers consulted on how to buy vacuum packaged food. It is understood that at present, there are three ways to keep food fresh: filling with nitrogen, vacuuming and adding preservatives. Vacuum preservation is relatively convenient, natural and healthy.
Vacuum packaging means th...
For dry food packaging, there are the following packaging characteristics and functions:
These foods are usually packed in single or double layers of plastic films bags inside and they are also packed by using colorful printed cardboard boxes/cartons or colorful printed paperboard boxes outsid...
The cold storage packaging and cryopreservation of food can reduce the respiration of various fresh food cells and prevent the over growth and development of fresh food cells from ripening and over ripening, resulting in the decay and deterioration of food, fresh vegetables and fresh fruits; On t...
The so-called flexible packaging refers to the packaging of plastic film packaging materials. It is generally believed that sheet materials with a thickness of less than 0.3mm are thin films, those with a thickness of 0.3-0.7mm are sheets, and those with a thickness of more than 0.7mm are called ...
The synthetic resin used in the plastic packaging industry accounts for about 25% of the total output of synthetic resin in the world, and the plastic packaging materials also account for about 25% of the whole packaging materials. These two 25% can fully illustrate the importance of the plastic ...
Food packaging bags pouches and coffee packaging bags pouches require more recycling than before.
In those countries that are already very mature, professional coffee baking shops often face tremendous pressure, asking them to become more environmentally friendly, not only from the government and...
What is the situation of global food plastic packaging materials recycling?
The difficulty of recycling plastic packaging bags and film rollstock materials depends not only on the material itself, but also its service life management. However, the methods of managing waste in various countries ar...
For example, the leaders of the international coffee industry such as Nestlé have changed the coffee capsule from the original injection molding multi-layer material to a single material of aluminum forming, and actively advocated consumer classification to actively recycle. Products sold in my c...
As China rapidly enters the world’s major coffee consumer countries, the updated coffee products and packaging forms have continued to emerge. The new form of consumption, more younger brands, more unique tastes, and faster enjoyment … There is no doubt that as the world’s first...
How to measure the capacity of spout pouch?
In order to know how many volume the spout pouch can hold? The customer needs to measure the bag sample to design and measure the packaging solvent and weight.
It is mainly tested through the existing product samples and customer target samples. Accordi...