Q:Dried fish vacuum packaging packing bag can not puncture

If the choice of transparent vacuum packaging bag can also, without aluminum foil bags, good quality effect.

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:How can the labels affixed to the bags be removed quickly?

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

PVC products for packaging containers, mainly for a variety of film and film. PVC containers mainly produce mineral water, drinks and cosmetics bottles, as well as packaging for refined oils. The PVC film can be used in CO extrusion with other polymers to produce low cost laminates and transparent articles with good barrier properties. PVC film can also be used for stretch or heat shrink packaging, used for packaging mattresses, cloth, toys and industrial goods.

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?

Some of the most common baked foods, moon cakes, fried foods, potato chips, which are filled with nitrogen, are required to be food grade, high purity, minimum requirement is no harmful gas impurities!

Q:How are food bags made out?

Copperplate etching: that is, according to the design confirmation of the food packing bag, the copperplate needed for the food packing press is made. The version is a cylinder, and is a set of not a single root, the specific size, the number of versions, according to the previous package design to determine. One color has to make a copperplate, if there are 5 colors, you have to do 5 copperplate, of course, sometimes can also be common edition.

Q:Is there any identification on the vacuum package?

DOD on demand machine (drop) for short, called ink jet printer. The working principle: the nozzle is made up of several high precision valves. When the word is sprayed, the corresponding valve is opened and closed quickly. The ink is ejected by the constant internal pressure, forming characters or graphics on the surface of the movement.