Q:What is the material for edible fungus stick packing bag?

High pressure polypropylene bag, the bag has the characteristics of high temperature and high pressure, it can reach 120 degrees and not easily deformed. It is the first choice for factory cultivation.

Q:Do vacuum packing bags have to be vacuum packed?

To be exact, vacuum packing bags must have vacuum packaging machines to complete vacuum packaging. If you want to use vacuum packaging bags for non vacuum packaging (i.e. ordinary packing), you can also use them.

Q:How many kinds of packing bags are there in the packaged foods?

The material is generally PE and PP.Compared with non food packaging, it does not contain plastic additives, and will not release toxic substances during use. For example, the more severe plasticizer in the front can cause cancer, and is used in PVC packaging. PVC used in the past, but because of its insecurity, it is now being gradually replaced by PE plastic wrap.

Q:Printing solvent for food packing bag

Determine the amount of water in the solvent by means of the principle of a different dissolution effect. Take the most transparent glass cylinder tube with 100ml toluene solution, take a small amount of analyte ester solvent such as toluene, evenly pour. When you just pour in toluene, carefully observe whether there is turbidity (milk white) phenomenon. If there is this phenomenon, the water content of the solvent is seriously exceeded, and the experience shows that when the moisture content exceeds 0.5%, the phenomenon is obvious. The water content test of benzene solvent can be carried out by extracting solvent from the long glass tube to observe whether there is delamination.

Q:What is the material of detergent bag?

Most of these bags are made of PP, PE, OPP, BOPP plastic raw materials. In general, families rarely recycle, just waste or garbage.

Q:What material is the packing bag for pure milk, please?

W1l203 (station contact TA) should be food grade polyethylene, safe, easy to tear learn1986 (station contact TA), aluminum foil and polyethylene plastic film and paper interaction combined into polyethylene aluminum plastic composite packaging materials.

Q: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.

Q:Can aluminum packaging bags be recycled?

Tetra Pak, Combibloc and other milk packaging (the two kinds of packaging are mainly China milk packaging, or packaging recycling separation Fangzhuan) technology has matured, the waste recycling plant can be decomposed into boxes: good pulp, aluminum, plastic, the cost also is (about 5 years ago to calculate), the current difficulties are: Chinese people's awareness of garbage is not strong due to high cost recovery (plus the current labor costs rise), in recent years a recycling plant is estimated to be closed, the state support in the tax area is likely to continue to;

Q:What kind of material is the urea packing bag made of?

Polyethylene (polyethylene, referred to as PE) is a thermoplastic resin made by polymerization of ethylene. Polyethylene odorless, non-toxic, feel waxy, with excellent low-temperature resistance, good chemical stability, resistance to most acid and base corrosion.

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.