Q:Printing solvent for food packing bag

Smell the smell of solvents. Contact with commonly used solvents, smell, after a long time, the odor of a particular solvent has a rough impression. If the odor of the batch solvent is not pure, it is certain that the purity of the batch solvent is not high or the impurities are more. In addition, the solvent is applied to a clean plastic film to compare its basic odor before and after volatilization, and the tendency of residual solvents can be roughly judged.

Q:What are the packaging forms of fresh milk?

UHT milk, also known as UHT milk, is mainly made of composite plastic bags or paper plastic composite packaging, with pillow, brick and other forms. Because this material has good barrier properties, and can achieve the aseptic condition, filling in aseptic conditions, product shelf life of up to more than 30 days, with sales, storage, convenient carrying and drinking, long-distance transportation and other advantages, but the packaging of high cost, high price.

Q:Three layer coextrusion material for packaging bags

At present, there are mainly two kinds of non PVC multilayer coextrusion infusion membrane: three layer structure and five layer structure.The performance of the layers of the three co extruded films for outer: block air, good printing performance; the middle layer with water resistance and anti permeability and elasticity; inner: non-toxic, good heat sealing and elasticity, and the solution has good compatibility.

Q:What kind of material is the food packing bag in general?

Now the standard of living has improved, basically the food vacuum packed bag. This will improve the product's shelf life, preservation time is longer, more conducive to product sales.

Q:How do I remove the self-adhesive label affixed to the plastic bag?

With the label supplies into the water immersion, after the label has been soaked, erase. This method is also applicable to metal and plastic tools, but it takes time.

Q:What about the table of nutrition values on food packages?

serving sizeThe nutrition information displayed in the nutrition information column is based on "every" or "every 100 grams". For foods such as bread, one may be one or two tablets, but for other foods, it may be a little more complicated. A portion that may be only part of the package, or may be part of the normal portion of the meal. Therefore, you need to multiply the actual amount of the food you eat by multiplying the values listed in the nutrition information. 100 grams or 100 milliliters each

Q:Is the packet in the food package a reducing agent or an oxidizing agent?

The small bag inside the food package is an antioxidant. Belongs to reducing agent.

Q:The difference between a vacuum and a vacuum in a food package

So, the difference is very clear, is the vacuum packaging bag of the air as much as possible out, but the inflation is the air in the bag is replaced by nitrogen or carbon dioxide and other inert gases, the purpose is as far as possible to reduce food and air contact oxidation process, slow food, avoid food rapid deterioration.

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

The main material of urea woven bags consists of polypropylene and polyethylene.

Q:What about the use of plastic bags?

Now all walks of life have the use of plastic packaging bags, only grades, such as the food market is the worst, supermarkets in general, and then to food packaging non-toxic environmentally friendly 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.