30KG Plastic Laminated Kraft Paper Valve Bag For Cement

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1>Customized Design, Style, Size, Window, Thickness. etc.
2>Rotogravure Printing for a vivid color;

10/20/30KG Plastic Laminated Kraft Paper Valve Bag For Cement :

Q: What products need plastic packing bags?: Plastic packaging is almost everywhere.

Q: Duck sauce made of pure aluminum foil vacuum packaging bag or transparent plastic?: I did, I saw, salted duck, beef and other good packaging, is the use of the former.

Q: What about the use of 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.

Q: Can food wrap be heated in a microwave oven?: A package or container that is not suitable for microwave heating:1 metallic or metallic or metallic (absolutely not)2, if the porcelain with metal decorative patterns, it can not.3 、 special plastic for non microwave oven and special plastic film for non microwave oven.4, all containers that do not indicate microwave heating are not recommended.

Q: 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.

Q: What are the soft and hard sides of plastic bags? Material or process technology?: In general, the soft, and toughness and strength are greater, the quality is the best, most durable. Of course, the price should be higher.As for you, which kind of good, depends on your use, cheap, and can meet the use of, that is good, not necessarily have to buy many high priced! The one that suits you is the best!

Q: What material is the packing bag for pure milk, please?: General milk packaging is basically Tetra Pak packaging or Kang Mei package, aluminum foil about 5% of the quality of the entire package, about 79% of the paper, polyethylene layer of about 16%. Because the aluminum foil, polyethylene layer and paper layer are bonded by hot pressing or adhesion, it is difficult to separate the layers. Learn1986 (in station contact TA) these two documents may be useful to you.

Q: Why is the higher the elevation, the more food bags inflate? From a physical point of view: The higher the altitude, the thinner the air outside, the lower the air pressure; and the air pressure inside the food bag is high, which causes the food bag to drum up. As the height gets higher, the air pressure outside may be lower, and food bags are likely to burst because of the pressure inside and outside

Q: What does "13 silk" in vacuum packing bag mean?: Silk is a mechanical worker, commonly known as "0.01 millimeters", the workers who have inherited the technology of Shanghai say "silk", and in the north they say "0.01 millimeters" as "Dao".

Q: How about the material difference of food packaging bag?: The main contents of food packaging bags are: PVDC (poly partial two vinyl chloride), PE (polyethylene), PA (nylon), EVOH (ethylene / vinyl alcohol copolymer), aluminum film (aluminum +PE), etc.All kinds of materials have different properties and different uses. Generally, food packaging bags are not single materials, and they are usually multilayer compositeThe sausage casing is a single material, PVDC

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