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

Successful packaging must be eye-catching. This can only be used as a horizontal contrast. In the same environment, the most striking one is the one that can be distinguished from other products at one glance. Also take the moon cake as an example, the Mid Autumn Festival, the general moon cake gift box is red, golden yellow based, above is not the moon, is the flower, most of them are like this. If the design is blue, the package is also shown in the same area. Must be the most striking.

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

The cement packing bags shall clearly indicate the standards of implementation, cement varieties, codes, strength levels, producers' names, production licence marks (QS) and serial numbers, serial numbers, date of packing and net contents. 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 much is the 1 wire in the food packing bag printing industry?

Now the standard of living has improved, basically the food package. This will improve the product's shelf life, preservation time is longer, more conducive to product sales.

Q:What are the types of composite packaging bags?

Folding containerA large volume of transport package, the weight of more than 1 tons. The top of the container is usually equipped with metal hangers or rings, which is convenient for lifting and transporting of forklifts or cranes. When discharging, it is possible to open the discharge port at the bottom of the bag and unload the cargo conveniently. Suitable for shipment of granular or powdery articles.Container bags are usually made of polyester fibers such as polypropylene and polyethylene. Because the container loading and unloading of goods, transportation is very convenient, improve handling efficiency, in recent years made shoes soon.

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

The higher requirements are modified packaging: oxygen, nitrogen and carbon dioxide are used to fill the package in proportion to the product - respiration - use, to extend the shelf life of the product, and outside

Q:What's bread packing? Polyethylene film, waterproof cellophane, etc.

More importantly, the use of aluminum foil / composite or polyethylene composite or aluminum foil / polyethylene composite material. Although this type of packaging is opaque, it protects against loss of vitamin B1 in bread.

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

Because the food packaging bag is sealed, the air pressure inside is certain, with the elevation of the outside air pressure gradually decreased, which leads to gas bag outward extrusion pressure increased, so the higher the altitude, the food packaging bag inflated more.

Q:What material is the packing bag for pure milk, please?

Lining, Xiong Xiaoli. Study on the separation of aluminum plastic paper composite packaging. Packaging engineering, 2008, 29 (12): 56-58.lixixiao2 (in TA) food grade polyethylene chen.1fan (TA station) composite layer of aluminium metal and linear PE, the middle layer there should be consistent with FDA zznjut (station link TA) composite and 100% more than one layer of polymer should be PE, the rest of the aluminum foil paper, duanyanjian (station TA) aluminum composite paper plastic bag

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.