The difference between food packaging and general packaging

food packaging bags and other packaging, there are many differences between

first of all, on the raw materials, food packaging bags with food-grade plastic film manufacturing production, the film consists of multilayer composite films, namely we often say that hard plastic, transparent or printing.

second, on the use of food bags to be made on the related information, namely, the name of the food, food ingredients, nutrition composition, executive standard, shelf life, storage method, edible method, the manufacturer's information, etc.

* food packaging is a worldwide problem, is our country's food packaging * standard QS ( QUALITYSAFETY) The abbreviation of, namely quality *. The dissolution of packaging material is a key to * health food, as early as 1980, the world famous food packaging expert CONORRELIY is discussed in the book METALCONTAMINATIONOFFOOD, in recent years has also stipulated in the HACCP system of *.

1 paper, paper is * * old traditional packaging materials, but it's not * hidden danger also nots allow to ignore, the main reason is in the process of paper making must join in pulp chemicals such as anti-seepage agents/sizing agent, filler, The paper is not transparent) , bleach, dyeing agent, etc. Anti-seepage agents mainly adopts rosin soap; Filler used kaolin, calcium carbonate, titanium dioxide, zinc sulfide, barium sulfate and magnesium silicate; Bleach using oxygen acid calcium, liquid chlorine, hypochlorous acid, sodium hydroxide and hydrogen peroxide, etc; Using water-soluble dye and a pigment dye, the former with acid dyes, basic dyes, direct dyes, the latter are inorganic and organic pigments.

2 plastic packaging, plastic is * widely used in food packaging materials. Can generally be divided into thermosetting plastics and thermal plasticity of two. The former has a high-intensity urea UF resin, phenolic resin, PF cyanamide resin MF; While the latter includes PVC vinyl chloride resin, PVDC polyvinylidene chloride resin, polyethylene PE, polypropylene PP, PS, nylon NY polystyrene, styrene AS styrene resin, ABS resin, polyester resin, such AS PET, PEN, etc. According to the different resin with different additives and production of composite materials used in adhesives, such as TDI, the TDA.