Q:Do vacuum packing bags have to be vacuum packed?

Vacuum packaging bags and vacuum packaging machines are related. Vacuum packaging machine not only can complete vacuum extraction, but also can complete heat sealing packaging in vacuum, and ensure vacuum in vacuum bag can meet the requirement.

Q:How many kinds of packing bags are there in the packaged foods?

The material is generally PE and PP.Compared with non food packaging, it does not contain plastic additives, and will not release toxic substances during use. For example, the more severe plasticizer in the front can cause cancer, and is used in PVC packaging. PVC used in the past, but because of its insecurity, it is now being gradually replaced by PE plastic wrap.

Q:Should the food packaging bags be labeled with QS markers?

Hello, you me to answer the question: is not needed, packaging bag manufacturers is the right to own QS logo printing to the packaging bag on your package, the most is according to your request will be posted to the QS carton outside (i.e. certificate below). Your bag can only be printed with your QS logo, or not printed.

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:Is the color of cement packing bags related to cement?

Bags on both sides should be based on the varieties of cement with different color printing name and cement strength grade, Portland cement and ordinary portland cement Portland slag cement by using red, blue gray volcano; Portland cement and Portland fly-ash composite silicate cement by sleep and black or blue.

Q:How are food bags made out?

The layout of printing: in food packaging printing machine is prepared with coated, and then printing according to the first layer material food company confirmed, as a food packaging bag is usually composed of three layers compounded. Printing requires printing only one layer of the surface. Printed with design renderings have no difference. Dongguan Yu packing is a nine color full automatic computer controlled printing press. The printing effect is comparable to that of the poster.

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:Can aluminum packaging bags be recycled?

This separation technique is still under study, and no practical solutions are reported.

Q:The package specifications are 9 multiplied by 14 plus 3. How big is it?

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: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.