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: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,

Q: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.

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: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: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.

Q:Why are some teas not vacuum packed?

In order to ensure the quality of tea and pure taste, natural, free from external conditions, but also in order to enhance the image of tea, enhance the value of goods, the exquisite packaging of tea is the trend of the times. These unsuitable vacuum packed tea, such as green tea and Longjing, tend to be easily squeezed and packed and can be packed in vacuum packed with nitrogen. Brick tea packaging paper bag packaging form form West Lake Longjing Tea vacuum tea vacuum packing inflatable packaging is a mixture of gases in vacuum and then filled with nitrogen, carbon dioxide and other two or three kinds of single gas or gas. Nitrogen is an inert gas with a density close to the air. It acts as a filling, keeping positive pressure in the bag and protecting the leaves from crushing by atmospheric pressure. Carbon dioxide can make tea into sleep, and maintain the quality of tea.

Q:What's bread packing? Polyethylene film, waterproof cellophane, etc.

The utility model has the advantages that can be repeatedly used, easy to get a longer shelf life of bread to marry, and don't need strapping, can take the heat sealing with metal or plastic coated Sizha live bag, bag packaging has knot with polypropylene plastic bags of bread.

Q:What's the raw material of the cement packing bag?

Plastic recycling machine is the role of the crushed cleaning waste polypropylene, polyethylene block, sheet, pipe, bottle, film, weaving, silk, pressurized heated in the machine, drawing into strips, the cutter into granular for other plastic processing machinery use.

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.