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

A good vacuum packing is recommended.

Q:What products need plastic packing bags?

Electronic products, clothing products, industrial products, some medical products, food and so on. What kind of plastic bags are the key?.

Q:Three layer coextrusion material for packaging bags

At present, there are mainly two kinds of non PVC multilayer coextrusion infusion membrane: three layer structure and five layer structure.The performance of the layers of the three co extruded films for outer: block air, good printing performance; the middle layer with water resistance and anti permeability and elasticity; inner: non-toxic, good heat sealing and elasticity, and the solution has good compatibility.

Q:The vacuum packing bag is sealed. How can I open the zipper?

The simplest and most effective way is to apply a layer of wax to the surface of the zipper, and use the lubrication of the wax to achieve a smooth effect. With a candle on the surface of the zipper back and forth after wiping, and then from the bottom of the repeated several times, the zipper will be smooth.

Q:Is the color of cement packing bags related to cement?

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:Is the packet in the food package a reducing agent or an oxidizing agent?

In many food packages, the Producers place a packet of antioxidants and note the words "antioxidants, not edible". Its function is to absorb oxygen in the food bag, so that the oxygen level in the bag is controlled at a very low level, to prevent the proliferation of microorganisms in the bag. Because the growth and division of microorganisms require the participation of oxygen, the spores and hyphae of microorganisms are strongly inhibited under anoxic conditions. Thereby, the food in the bag is preserved, and the probability of microbial contamination is reduced.

Q:What does "13 silk" in vacuum packing bag mean?

Silk is a mechanical worker, commonly known as "0.01 millimeters", the workers who have inherited the technology of Shanghai say "silk", and in the north they say "0.01 millimeters" as "Dao".

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

W1l203 (station contact TA) should be food grade polyethylene, safe, easy to tear learn1986 (station contact TA), aluminum foil and polyethylene plastic film and paper interaction combined into polyethylene aluminum plastic composite packaging materials.

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

(composite film) clothing, knitwear and flower packaging bags; documents and photo albums; films; food packaging.