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

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

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

Successful packaging must be eye-catching. This can only be used as a horizontal contrast. In the same environment, the most striking one is the one that can be distinguished from other products at one glance. Also take the moon cake as an example, the Mid Autumn Festival, the general moon cake gift box is red, golden yellow based, above is not the moon, is the flower, most of them are like this. If the design is blue, the package is also shown in the same area. Must be the most striking.

Q:What is the difference between package material PETAL and VMPET?

What is the difference between PETAL and VMPET performance?:PETAL material with high barrier, sealing, incense retention, shielding and other functionsVMPET material has higher decoration.

Q:What material should be used for transparent packing bags? How many cents do you want?

PVC products for packaging containers, mainly for a variety of film and film. PVC containers mainly produce mineral water, drinks and cosmetics bottles, as well as packaging for refined oils. The PVC film can be used in CO extrusion with other polymers to produce low cost laminates and transparent articles with good barrier properties. PVC film can also be used for stretch or heat shrink packaging, used for packaging mattresses, cloth, toys and industrial goods.

Q:What are the types of composite packaging bags?

Folding small packing bag (or ordinary packing bag)A bag of less weight, usually made of single or double layers. For some special packing bags, it can also be made of multi layers and different materials: the packing range is wide, and the packing can be used in liquid, powder, lump and irregular shape.In these packing bags, the packing bags are suitable for transportation and packing, and the general transport packing bags are suitable for external packing and transportation packing. Small package bags are suitable for inner packing, packing and commercial packing.

Q:What are the requirements of the gas in the package?

For example, some fruits, vegetables, air conditioning packaging, as well as cold meat also have the atmosphere of the tune (20% carbon dioxide, 80% oxygen), low temperature, preservation for about a week, to maintain fresh meat color, prevent browning!

Q:What material is the surface of the packing bag such as instant noodles, pickled mustard tuber, small bread and so on? Why should we add this layer?

Aluminum filmThe first consideration of food packaging is the barrier properties of packaging materialsBecause barrier property is good, the preservation time is long, the shelf life is long, the quality can guarantee betterAt present, all food packaging materials, aluminum foil barrier is the best (followed by some high polymer plastics, like EVOH, PVDC, etc.)Therefore, the most common, always in the middle of two layers of plastic film, a layer of aluminum foil, to improve barrier,But why not use aluminum foil packaging alone, but also two or more layers of plastic film?,

Q:Is there any identification on the vacuum package?

DOD on demand machine (drop) for short, called ink jet printer. The working principle: the nozzle is made up of several high precision valves. When the word is sprayed, the corresponding valve is opened and closed quickly. The ink is ejected by the constant internal pressure, forming characters or graphics on the surface of the movement.

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

But the packing bag is not a single material, generally the inner layer is PE, the outer layer is PA, and the middle may be EVOH, or PVDC, etc.Yes, the aluminized film is used

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

At present, there are many inflatable packaging name, nitrogen packaging, air conditioning packaging. These are the use of a gas replacement method, to achieve the effect of food insurance. Food is too afraid of oxygen, excessive exposure, long exposure to oxygen, may occur oxidation, metamorphism and other issues. Filling the package with a certain amount of inert gas will effectively prolong the shelf life of the food.