Q:What's the difference between plastic packaging bags and clothing bags?

From film making, printing to bag making, there's a big difference. The clothes bag you say is just a bag of bags. There are several kinds of clothes bags I have used, and each machine needs different machines

Q:What ink is the food packing bag printed on?

1, ink contains toluene, printed products residual solvent value is higher;2, chlorinated polypropylene heat stability is poor, easy to release chlorine, and in the air to form hydrogen chloride (commonly known as hydrochloric acid), making the ink showing a strong acid, the printing roll corrosion;3, benzene soluble ink can also release ozone depleting substances, in the process of production and use, it may produce damage to the production worker body, at the same time in the finished product is easy to residues of harmful substances, so the food packaging bag to cause pollution;

Q:What is the difference between LDPE and PE-LD in a package?

LDPE is low density polyethylene, and PE-LD should be low density polyethylene. Because according to the PE classification, LDPE (low density polyethylene), MDPE (medium density polyethylene), HDPE (high density polyethylene), VLDPE (low density polyethylene), LLDPE (linear low density polyethylene (mPE), metallocene PE). See, "LD" means "low density".

Q:What are the packaging forms of fresh milk?

Pasteurized milk as milk sterilization, the glass bottle packaging plastic bags or plastic bottles, plastic bags are simple, like using the monolayer polypropylene material, because these materials are difficult to achieve in aseptic filling and sterilization of milk filling environment, generally do not take aseptic production, such products require cold chain transportation, and shelf life short, usually within 3 days, but the fresh sense of strong, low packaging cost, cheap price. In addition, pasteurized milk is also available in roof type cartons and glass bottles.

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 types of composite packaging bags?

Folding small packing bag (or ordinary packing bag)A bag of less weight, usually made of single or double layers. For some special packing bags, it can also be made of multi layers and different materials: the packing range is wide, and the packing can be used in liquid, powder, lump and irregular shape.In these packing bags, the packing bags are suitable for transportation and packing, and the general transport packing bags are suitable for external packing and transportation packing. Small package bags are suitable for inner packing, packing and commercial packing.

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

Length 21 cm, width 30, vertical roll length suggest up to cooperate with compound printing equipment

Q:What can be easily removed from the words printed on plastic bags?

Dyes can be classified according to their purpose, state, or origin. Remove the upper part of the plastic bag from the fuel. Refer to

Q:What's the packing of the air in the food package?

Carbonated drinks are mostly filled with carbon dioxide gas CO2, and its own drinks are carbon dioxide ingredients in the majority, with CO2 replacement of the air, but also for the preservation of the product, to ensure the taste, but also improved the shelf life.In addition, some food packaging is filled with a certain proportion of mixed gas, may be O2+CO2+N2, N2+CO2, O2, +CO2. This is also based on the needs of different enterprises, different customers.

Q:Express carton packaging, plastic packaging should be how to deal with?

For those cartons, environmentalists have their own ways of using them. "The Jingdong loves to use plastic bags, and Amazon and its customers prefer cartons."." Some of the more orderly carton, you can keep as a storage box. You can use the marker pen to write the contents on the carton, then stack it on the bottom of the cupboard to improve the space utilization. For some cartons that cannot be used for the time being, use the tape on the carton to flatten the cartons.