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

Forty-seventh of the 79 orders of the State Administration of food: forty-seventh the implementation of food quality and safety market access system, must print on their packages or marks before (paste) QS logo. No QS mark shall not be sold out of the factory.

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

PET thin film / foil / nylon //PE thin film, it is best for the duck packaging, the longest period of hedging. Of course, there are some other place form, slightly reduce some costs, such as the PET// //PE aluminum foil film, but the effect was not as good as the former good bag, a bag to reduce the cost of not much, but the effect is significantly reduced, so it is recommended to use the former.

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

Use the lighter directly on the other side of the metal label to burn for a while. The glue on the label will melt quickly. This method works fastest and works best, but it only works for metals.

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

Generally Po (polyolefin) material, you can also use PE (polyethylene) material, PP (polypropylene) material, to see your specific needs

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:Why is the higher the elevation, the more food bags inflate? From a physical point of view

The higher the altitude, the thinner the air outside, the lower the air pressure; and the air pressure inside the food bag is high, which causes the food bag to drum up. As the height gets higher, the air pressure outside may be lower, and food bags are likely to burst because of the pressure inside and outside

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:Can aluminum packaging bags be recycled?

Tetra Pak, Combibloc and other milk packaging (the two kinds of packaging are mainly China milk packaging, or packaging recycling separation Fangzhuan) technology has matured, the waste recycling plant can be decomposed into boxes: good pulp, aluminum, plastic, the cost also is (about 5 years ago to calculate), the current difficulties are: Chinese people's awareness of garbage is not strong due to high cost recovery (plus the current labor costs rise), in recent years a recycling plant is estimated to be closed, the state support in the tax area is likely to continue to;

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

28*40CM is the size of a vacuum packed bag, 40 cm long and 28 cm wide

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

Express packaging bags can be used as garbage bags, now online shopping people, in addition to vegetables, fruits this difficult to preserve things, a considerable portion of daily necessities are purchased from the internet. However, the excessive packaging of online shopping packages once troubled people. "Online shopping, a clothing is generally at least two layers of packaging, and the first is the clothes factory comes with transparent plastic bags, and there is a layer of express bags attached to the courier."." Some time ago, "double 11", a friend bought three clothes and a set of speakers, these days have gradually arrived, and summed up a total of eight large plastic bags and two cartons.