Q:Printing solvent for food packing bag

Look at the appearance of the solvent. Should be clear and transparent, if there are cloudy and floating objects, the batch of solvents should be used with caution.

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:Why are some teas not vacuum packed?

In order to ensure the quality of tea and pure taste, natural, free from external conditions, but also in order to enhance the image of tea, enhance the value of goods, the exquisite packaging of tea is the trend of the times. These unsuitable vacuum packed tea, such as green tea and Longjing, tend to be easily squeezed and packed and can be packed in vacuum packed with nitrogen. Brick tea packaging paper bag packaging form form West Lake Longjing Tea vacuum tea vacuum packing inflatable packaging is a mixture of gases in vacuum and then filled with nitrogen, carbon dioxide and other two or three kinds of single gas or gas. Nitrogen is an inert gas with a density close to the air. It acts as a filling, keeping positive pressure in the bag and protecting the leaves from crushing by atmospheric pressure. Carbon dioxide can make tea into sleep, and maintain the quality of tea.

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

Some of the most common baked foods, moon cakes, fried foods, potato chips, which are filled with nitrogen, are required to be food grade, high purity, minimum requirement is no harmful gas impurities!

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?

First, it is easy to heat seal, otherwise only aluminum foil can not be sealed;Two, high barrier plastic film preservation effect is also very good, can increase its number of layers, reduce aluminum foil thickness, thereby reducing costs

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:What are the advantages and disadvantages of OPP and CPP membranes? What kind of bags are they used for?

(composite film) clothing, knitwear and flower packaging bags; documents and photo albums; films; food packaging.

Q:Why a lot of the packaging bag surface is silver foil?

The purpose of packing is to look good, because it is food, so it is also because of hygiene.

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

For custom vacuum bags, I would recommend a manufacturer who has customized experience in vacuum bags because it reduces your time cost and offers a lot of advice on packaging design and customization.

Q:Express carton packaging, plastic packaging should be how to deal with?

Most of these packages are thrown away, but this creates environmental pollution and adds to the difficulty of garbage disposal. Environmentally conscious people remove plastic bags and use a knife to remove them from one end of the package, leaving a complete open pocket after opening. Put it in the garbage basket and you can use it as a garbage bag. Full of rubbish, can hold the bag at both ends to the middle or pull sealing, or you can pull a direct sealing tape. This estimate, in general, often online shopping crowd in a week can use two express packaging, "modified" garbage bags, a year down, you can save more than one hundred new garbage bags.