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 ink is the food packing bag printed on?

Because of this, benzene soluble chlorinated polypropylene ink has been gradually eliminated, and in Europe and other developed countries have gradually introduced or banned the use of benzene soluble chlorinated polypropylene ink laws and regulations.

Q:Dried fish vacuum packaging packing bag can not puncture

With dried fish, we recommend the use of aluminum foil bag, also can be vacuumized. It has the function of avoiding light and keeping fresh.

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

Successful packaging must be consistent with the product positioning. Today's consumer groups are very different, for example, the elderly and young people on the acceptance of packaging design is very different, but also take moon cake as an example. The elderly may accept the traditional form of packaging (including graphic design, packaging design, structure design and so on) but the young people can accept the moon cake in the cake box, packed in ice cream box, metal box or even installed in the heavy metal in the punk style. You can't imagine an old lady in the supermarket, with a picture of a skull box filled with 8 pieces of moon cakes.

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

Cement gradeCement is divided into strength grade: 1, Portland cement strength grade is divided into 42.5, 42.5R, 52.5, 52.5R, 62.5, 62.5R six levels. 2, ordinary portland cement strength grade is divided into 42.5, 42.5R, 52.5, 52.5R four grades.3. The strength grades of slag Portland cement, volcanic ash Portland cement, fly ash Portland cement and composite Portland cement are divided into 32.5 grades: six, 32.5R, 42.5, 42.5R, 52.5 and 52.5R.

Q:How do I remove the self-adhesive label affixed to the plastic bag?

On the label with wind, a few minutes to unveil the label, the label will fall together with adhesive. Even at the stubborn stickers with traces of essential balm, and fingernails pull, usually can quickly clean up the traces.

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 kind of material is the urea packing bag made of?

Polyethylene (polyethylene, referred to as PE) is a thermoplastic resin made by polymerization of ethylene. Polyethylene odorless, non-toxic, feel waxy, with excellent low-temperature resistance, good chemical stability, resistance to most acid and base corrosion.