Q:Plastic packing bag printing color

A few colors, that is, a few colors, with several roll, one color needs a roll, and the more colors you have, the higher the cost of making the plate. Of course, the plate is calculated by area, the greater the size of your area, the higher the cost of making.

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

Clothing bags and plastic bags are just a general term for packaged products. Bags can also be made in various forms, so the machines are different,

Q:Should the food packaging bags be labeled with QS markers?

QS labels should be affixed, but the manufacturer's own QS is not affixed to the manufacturer of the packaging, but the packaging supplier must print its QS number on the outer package of the package to the manufacturer.

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:The shelf life of the package usually takes several forms

Milk is extremely nutritious and therefore very perishable. In order to keep fresh and safe to consumers during circulation, the milk must be thoroughly sterilized and securely packaged. The sterilization method, compared with traditional pasteurization, the ultra high temperature sterilization (Ultra High, Temperature, UHT), can greatly reduce the milk color, flavor and nutritional value of the loss, and become the best and fastest way to the development of processing.

Q:Why are some teas not vacuum packed?

Some tea leaves are not allowed to be packed in vacuum, such as crunchy and fragile tea leaves, easily caking tea leaves, easily deformed tea leaves, sharp edges and corners or higher hardness, and will puncture the tea bags and so on. For example, Yunnan tea, are generally made of tea or tea brick, covering the surface of a layer of paper for simple packaging.

Q:What kind of material is the urea packing bag made of?

The main material of urea woven bags consists of polypropylene and polyethylene.

Q:What kind of packaging bag does polysilicon use?

Packing should be prevented from damage to polyethylene packing bags to avoid external contamination and provide good protection. It should be high pressure.

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

Depends on what kind of ink, but usually can be wiped out with alcoholUse a clean soft cloth, dip 84 disinfectant, gently wipe, you can remove the plastic bags printed on the printed words

Q:What about the use of plastic bags?

Now all walks of life have the use of plastic packaging bags, only grades, such as the food market is the worst, supermarkets in general, and then to food packaging non-toxic environmentally friendly plastic bags. There are advantages and disadvantages. If it is a new material, the printing ink is also non-toxic. You can use it safely. If you use recycled materials, there is a foul smell. That's bad. What's more, we will bring plastic bags to the cooked food, it is best to buy from the supermarket, come back after the food will be taken out, to avoid food and plastic bags long-term exposure, chemical reaction products. That's bad for your health.