Q:Printing solvent for food packing bag

Use a moisture indicator to determine the content in the solvent. The water indicator is put into the solvent, and the water content varies with different colors. Depending on the color change, the amount of water in the solvent can be roughly determined.

Q:Duck sauce made of pure aluminum foil vacuum packaging bag or transparent plastic?

A good vacuum packing is recommended.

Q:Printing process of packaging bag

For the surface or irregular surface can be used heat transfer, adhesion is good, not easy to fade, but requires a transfer equipment.Screen printing belongs to orifice plate printing. It is called four printing methods together with flat, convex and gravure printing. Hole printing includes transcription, mesh flower version, stencil printing and screen printing etc.. Printing the principle is: (a version of the base paper or other version of the film version of the ink can be made through holes) at the time of printing, through a certain pressure so that the ink to the substrate through the hole hole Edition (transfer paper, ceramics etc.) on the formation of images or text.

Q:What are the requirements of the mark on the cement packing bag?

Label on cement packing bagCommon C25, C30, C35, C40 label is the cement packaging machine packaging cement mark, specific what label, drawings will generally indicate, general use C25 on the line, the greater the strength higher.

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

Packing material:PETAL represents the PET film composite pure aluminum sheet material. Packaging industry called aluminum foil filmVMPET represents an aluminized PET film, which is a high temperature vacuum in which the high purity metal aluminum is uniformly applied to the plastic film. The packaging industry is called aluminized film.

Q:Which kind of transparent vacuum packing bag 16 wire and 24 wire?

The so-called silk is a unit, a trace of =0.01mm, from this point of view, the bag is thicker, the more difficult to leak, so the 24 wire than the 19 wire better.

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:How do you determine the 210mm*300mm package and determine its version and length?

Usually 1 meters, or 1 meters, 2 of the lengthWidth 300,3, leave 40 margin, roll on the design length of 940, version 420 weeks, diameter 133.75

Q:What are the soft and hard sides of plastic bags? Material or process technology?

In general, the soft, and toughness and strength are greater, the quality is the best, most durable. Of course, the price should be higher.As for you, which kind of good, depends on your use, cheap, and can meet the use of, that is good, not necessarily have to buy many high priced! The one that suits you is the best!

Q:What are the characteristics of a good package?

This mainly refers to the packaging can perfectly protect and preserve the goods in the design of material selection, structure, can effectively cooperate with transportation storage loading and unloading circulation operation; enable consumers to use the goods, carrying and preservation is more convenient. In addition, whether the packaging material will cause pollution to the environment, and whether recycling is also very important. Packaging industry is a scientific and systematic project, and the packaging design must take into account the scientific aspects of each link, which also reflects the combination of art and science characteristics.