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

To be exact, vacuum packing bags must have vacuum packaging machines to complete vacuum packaging. If you want to use vacuum packaging bags for non vacuum packaging (i.e. ordinary packing), you can also use them.

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 LDPE and PE-LD in a package?

LDPE is a low density polyethylene, environmental protection bag production is one of the raw materials, commonly known as low material, another raw material of HDPE is also called high pressure materials, packaging film, the two materials are mixed according to a certain proportion and then blowing, printing, cutting, packing bag made of,PE-LD is a common environmental protection mark printed on top of the packing bag, which indicates that the manufacturer is using an environmentally-friendly plastic bag.

Q:Three layer coextrusion material for packaging bags

Three layer co extruded films composed of outer layer of high mechanical strength polyester or polypropylene, elastic material mixed or SEBS intermediate layer is polypropylene with different proportion (SEBS), mixed layer is polypropylene copolymers with SEBS.

Q:Antistatic packaging bag with chip

Black bag production with carbon black, which has a conductive performance, can be generated by friction when the chip electrostatic conductive bag release, however, strictly speaking, conductive black bag, only release the function of static, anti-static must be placed in the box or the box, in order to play the effect.

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 does "TM" mean in a food package?

Its role is to tell people that it is marked by the graphics or text of the goods or services of trademark, not the name is not advertising. English and "R" is the abbreviation of "register", "register" Chinese means "registered", goods or services on the mark that is told people, it marked the graphics or text but not trademarks, and registered trademarks, protected by law, unauthorized, unauthorized use can not be any other individuals and organizations.

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

(feature film, also called special film) potential uses include: food packaging, candy packaging (twisted film), drug packaging (infusion bag), on the album, folders and files and other fields instead of PVC, synthetic paper, adhesive tape, name card holder, ring folder and composite bag stand.

Q:How do you determine the 210mm*300mm package and determine its version and length?

Usually 1 meters, or 1 meters, 2 of the lengthWidth 300,3, leave 40 margin, roll on the design length of 940, version 420 weeks, diameter 133.75

Q:What are the characteristics of a good package?

According to the statistics of the foreign trade department, because of the backward packaging of export commodities, China has reduced the foreign exchange earnings by at least 10% per year. This shows that the good packaging design for the importance of national economic development.