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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..
What kind of material is the food packing bag in general?
Dry frozen goods, generally cooked with PET/PE., such as high temperature, it is generally nylon composite, CPP, or other composite.
How do I remove the self-adhesive label affixed to the plastic bag?
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.
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.
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.
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?
Aluminum filmThe first consideration of food packaging is the barrier properties of packaging materialsBecause barrier property is good, the preservation time is long, the shelf life is long, the quality can guarantee betterAt present, all food packaging materials, aluminum foil barrier is the best (followed by some high polymer plastics, like EVOH, PVDC, etc.)Therefore, the most common, always in the middle of two layers of plastic film, a layer of aluminum foil, to improve barrier,But why not use aluminum foil packaging alone, but also two or more layers of plastic film?,
What are the soft and hard sides of plastic bags? Material or process technology?
The quality of plastic packaging is determined by both the material and the process. The material is no better than the good one. But the hardness of plastic is not a decisive factor in determining the quality of plastic, mainly to see what the use of what needs to keep products
What's the packing of the air in the food package?
At present, there are many inflatable packaging name, nitrogen packaging, air conditioning packaging. These are the use of a gas replacement method, to achieve the effect of food insurance. Food is too afraid of oxygen, excessive exposure, long exposure to oxygen, may occur oxidation, metamorphism and other issues. Filling the package with a certain amount of inert gas will effectively prolong the shelf life of the food.