Q:What's the size of the 5 kg vacuum bag, please?

According to the facts, tailored products! The sizes of various products are different!

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?

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: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:What kind of material is the food packing bag in general?

Dry frozen goods, generally cooked with PET/PE., such as high temperature, it is generally nylon composite, CPP, or other composite.

Q:Which kind of transparent vacuum packing bag 16 wire and 24 wire?

The so-called silk is a unit, a trace of =0.01mm, from this point of view, the bag is thicker, the more difficult to leak, so the 24 wire than the 19 wire better.

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

Because of the use of aluminum foil can effectively prevent light barrier light, plastic packaging and direct food through accelerated food spoilage.

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