plastic custom mailing bag/shopping bag/ trash bag

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plastic custom mailing bags/shopping bag
>material:LDPE
>style:flat pouch
>customized size and printing
bag use:mailing,shop

PLASTIC custom mailing bags / shopping bag /trash bag

Q: Express carton packaging, plastic packaging should be how to deal with?: Express packaging bags can be used as garbage bags, now online shopping people, in addition to vegetables, fruits this difficult to preserve things, a considerable portion of daily necessities are purchased from the internet. However, the excessive packaging of online shopping packages once troubled people. "Online shopping, a clothing is generally at least two layers of packaging, and the first is the clothes factory comes with transparent plastic bags, and there is a layer of express bags attached to the courier."." Some time ago, "double 11", a friend bought three clothes and a set of speakers, these days have gradually arrived, and summed up a total of eight large plastic bags and two cartons.

Q: Can food wrap be heated in a microwave oven?: It depends on the label on the package. If it can be marked with microwave heating, you can not.

Q: The difference between a vacuum and a vacuum in a food package: Vacuum and vacuum is actually a concept, the operation is generally called vacuum, are placed in the vacuum food packaging machine to extract air package a food packaging technology, will conduct disinfection operation in food bagging before or after bagging, its essence is no different.

Q: What are the soft and hard sides of plastic bags? Material or process technology?: On the basic price will be a little higher, the brittle is generally PP or PET is done, some relatively low grade. Soft is generally made of multi-layer coextrusion film, barrier, and feel good. This soft about 27000 yuan / ton, while the PP film generally as long as 17000 yuan / ton, ten thousand tons a difference.

Q: Printing process of packaging bag: If it is cut into pieces, use a special press for packing bags or screen printing.Screen printing, screen opened relatively simple, but the requirements of the substrate surface is relatively smooth, simple process, relatively low cost, but the adhesion of the ink requirements are relatively high.

Q: What is the difference between LDPE and PE-LD in a package?: LDPE is a low density polyethylene, environmental protection bag production is one of the raw materials, commonly known as low material, another raw material of HDPE is also called high pressure materials, packaging film, the two materials are mixed according to a certain proportion and then blowing, printing, cutting, packing bag made of,PE-LD is a common environmental protection mark printed on top of the packing bag, which indicates that the manufacturer is using an environmentally-friendly plastic bag.

Q: Why is the higher the elevation, the more food bags inflate? From a physical point of view: Because the food packaging bag is sealed, the air pressure inside is certain, with the elevation of the outside air pressure gradually decreased, which leads to gas bag outward extrusion pressure increased, so the higher the altitude, the food packaging bag inflated more.

Q: What are the requirements of the gas in the package?: For example, some fruits, vegetables, air conditioning packaging, as well as cold meat also have the atmosphere of the tune (20% carbon dioxide, 80% oxygen), low temperature, preservation for about a week, to maintain fresh meat color, prevent browning!

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'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,

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