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FAQ

What kind of packaging bag does polysilicon use?
Disposable material into a double-layer polyethylene bag, and then packing bags into the packing box or packaging barrel. Block polysilicon packaging specifications are net 5000g or 10000g per bag.
How many kinds of packing bags are there in the packaged foods?
You ask about food plastic packaging, it is generally packaged with composite bags, composite materials, polyethylene (PE), polypropylene, nylon, polyester. These are the main membranes. The film is made of stretch film and blow film. Dry frozen goods, generally cooked with PET/PE., such as high temperature, it is generally nylon, composite CPP, or other composite, many kinds. I am in Dongguan, Humen, food packaging, such as alcoholic peanuts, bags, red dates bags, mask packaging bags, washing powder bags, areca bags, milk powder bags, small fish bags.
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.
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.
What ink is the food packing bag printed on?
At present, in the food plastic packaging and printing, the most widely used is the benzene soluble chlorinated polypropylene ink series. This series of ink production and application technology have been very mature, is mainly used for the gravure printing in BOPP (BOPP) on printing and printing adaptability is very excellent, good processing performance, faster drying. However, there are still many deficiencies in this method of printing.
Why a lot of the packaging bag surface is silver foil?
The purpose of packing is to look good, because it is food, so it is also because of hygiene.
What kind of material is the food packing bag in general?
Custom food vacuum packaging bag, I recommend to have food vacuum packaging bag manufacturers customized experience, because it can reduce the cost and time for many of you, can give you a lot of packaging design and customized recommendations.
Is the color of cement packing bags related to cement?
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.