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:Duck sauce made of pure aluminum foil vacuum packaging bag or transparent plastic?

PET thin film / foil / nylon //PE thin film, it is best for the duck packaging, the longest period of hedging. Of course, there are some other place form, slightly reduce some costs, such as the PET// //PE aluminum foil film, but the effect was not as good as the former good bag, a bag to reduce the cost of not much, but the effect is significantly reduced, so it is recommended to use the former.

Q:What are the bags and bags?

According to the material classification as follows: laser aluminum film, re paper materials, laser transfer paper materials, paper composite materials, aluminum composite materials, plastic composite materials, fabric composite materials.

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 requirements of the mark on the cement packing bag?

Label on cement packing bagCommon C25, C30, C35, C40 label is the cement packaging machine packaging cement mark, specific what label, drawings will generally indicate, general use C25 on the line, the greater the strength higher.

Q:What kind of material is the express package on the market now? It's dark in the outer grey.

It's a special packing bag for express delivery. That kind of paper bag, like post office, is specially designed to pack the things you want to express.Wrap things up and seal them in a bag.Some sellers or buyers need such bags when they are delivered. Some express to the seller to buy money.

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?

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?,

Q:Why a lot of the packaging bag surface is silver foil?

Because of the use of aluminum foil can effectively prevent light barrier light, plastic packaging and direct food through accelerated food spoilage.

Q:How do you determine the 210mm*300mm package and determine its version and length?

Usually 1 meters, or 1 meters, 2 of the lengthWidth 300,3, leave 40 margin, roll on the design length of 940, version 420 weeks, diameter 133.75

Q:What can be easily removed from the words printed on plastic bags?

A dye is a substance that makes certain colors adhere to the fiber and is not easily detached or discolored. The dye is usually dissolved in water, a part of the dye mordant dyes can adhere to the needs of the fiber. Dyes are substances that make fibers and other materials colored. They are divided into two main categories: natural and synthetic.