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

Because of this, benzene soluble chlorinated polypropylene ink has been gradually eliminated, and in Europe and other developed countries have gradually introduced or banned the use of benzene soluble chlorinated polypropylene ink laws and regulations.

Q:Printing solvent for food packing bag

Determine the amount of water in the solvent by means of the principle of a different dissolution effect. Take the most transparent glass cylinder tube with 100ml toluene solution, take a small amount of analyte ester solvent such as toluene, evenly pour. When you just pour in toluene, carefully observe whether there is turbidity (milk white) phenomenon. If there is this phenomenon, the water content of the solvent is seriously exceeded, and the experience shows that when the moisture content exceeds 0.5%, the phenomenon is obvious. The water content test of benzene solvent can be carried out by extracting solvent from the long glass tube to observe whether there is delamination.

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: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 does "TM" mean in a food package?

Its role is to tell people that it is marked by the graphics or text of the goods or services of trademark, not the name is not advertising. English and "R" is the abbreviation of "register", "register" Chinese means "registered", goods or services on the mark that is told people, it marked the graphics or text but not trademarks, and registered trademarks, protected by law, unauthorized, unauthorized use can not be any other individuals and organizations.

Q:What material is the surface of the packing bag such as instant noodles, pickled mustard tuber, small bread and so on? Why should we add this layer?

First, it is easy to heat seal, otherwise only aluminum foil can not be sealed;Two, high barrier plastic film preservation effect is also very good, can increase its number of layers, reduce aluminum foil thickness, thereby reducing costs

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.

Q:Can aluminum packaging bags be recycled?

Tetra Pak, Combibloc and other milk packaging (the two kinds of packaging are mainly China milk packaging, or packaging recycling separation Fangzhuan) technology has matured, the waste recycling plant can be decomposed into boxes: good pulp, aluminum, plastic, the cost also is (about 5 years ago to calculate), the current difficulties are: Chinese people's awareness of garbage is not strong due to high cost recovery (plus the current labor costs rise), in recent years a recycling plant is estimated to be closed, the state support in the tax area is likely to continue to;

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.