Q:What's the size of the 5 kg vacuum bag, please?

Custom vacuum packing bag, I recommend to have experience in custom vacuum packaging bag manufacturers, because it can reduce the cost and time for many of you, can give you a lot of packaging design and customized recommendations.

Q:What are the bags and bags?

According to functional categories: high Yin diaphragm bag, cooking film bag, anti-static film bag, antibacterial film bag, anti fog film bag, vacuum bag, anti chemical film bag, oxygen packing film bag, air conditioning packaging film bag, etc.

Q:What are the packaging forms of fresh milk?

UHT milk, also known as UHT milk, is mainly made of composite plastic bags or paper plastic composite packaging, with pillow, brick and other forms. Because this material has good barrier properties, and can achieve the aseptic condition, filling in aseptic conditions, product shelf life of up to more than 30 days, with sales, storage, convenient carrying and drinking, long-distance transportation and other advantages, but the packaging of high cost, high price.

Q:How to evaluate the quality of a food packaging bag design? From what angle?

Most importantly, the design of this package has a direct sensory connection to this product. Let's take a simple example, moon cake, which is a more common packing, is packed in a plastic bag and can only buy a few dollars, but it will appreciate a lot more when it is put into the gift box. It's in the bag. Moon cake is just food. In the gift box, it becomes a gift. Before consumers buy, the product is analyzed as a food or a gift, which is the most important message that the mooncake package conveys to the consumer.

Q:The shelf life of the package usually takes several forms

Name of commodity, ingredient, product standard number, production license, date of production, shelf life, method of use, storage conditions, origin, manufacturer and address.

Q:Why are some teas not vacuum packed?

Feng Xing packaging machinery factory experts explained that the main role of vacuum packaging machine is oxygen, moisture, high temperature fermentation, etc., in order to prevent the deterioration of tea. The principle is relatively simple, which is conducive to vacuum packaging machine to remove the air in the packaging bag, and then sealed, so that tea in a vacuum under the state, and absolutely isolated from the outside world.

Q:Why is the higher the elevation, the more food bags inflate? From a physical point of view

Because the food packaging bag is sealed, the air pressure inside is certain, with the elevation of the outside air pressure gradually decreased, which leads to gas bag outward extrusion pressure increased, so the higher the altitude, the food packaging bag inflated more.

Q:How about the material difference of food packaging bag?

Reason: PE has better heat sealing property, which is easy to sealPA has better printability and is used in the outer layer to print beautiful picturesPVDC EVOH, good separation performance, prevent oxidation. The film closed light is good, not easy to see the light of the product is appropriate.Specific more professional, no longer introduce one by one

Q:How big is the vacuum pack 28*40cm?

Now the standard of living has improved, basically the vacuum bag. This will improve the product's shelf life, preservation time is longer, more conducive to product sales.

Q:What's the packing of the air in the food package?

For example, our common bag of potato chips, which is mostly nitrogen N2, a gas filling packaging is fat, on the one hand is the replacement of the original air bag and prolong the shelf life; on the one hand, there is a large amount of gas support chips during transportation and storage, can also be to reduce the impact of fragmentation. You certainly don't want to buy potato chips all over it.