The making process of the food packaging bags do you really understand?

fast consumption s, people's life rhythm is faster, all use, easy to eat, wear more and more requirements, introduction, delicate, unlike in the past people may often pay attention to some to believe and understand things, but please don't forget to * is closely related to the food with you. Food by packaging now and then in the case of selling is common, we all need to use casually upon eating food packaging bags, we can't only pay attention to food *, the same will also concerned about whether the packaging *.

you might link = would say food * packing must be qualified, in fact, you don't know. Maybe these food packaging is not *? You know how it is produced, causing it not qualified * factors do you know?

actually, food packaging production process is quite complicated, today we will give priority to with plastic material for your detailed introduction of this seemingly simple but complex process.

the first production of food sack the first thing to do is to select material, what kind of packaging materials can be used to package food is non-toxic harmless, and it needs strong plasticity, produced products have to pass strict inspection, not smell, test shall not exceed bid contain various chemical composition as a qualified; Moreover is according to the characteristics of the product requirements to design and close to the outer packing of product image design, and not only to design good-looking, some countries require must be marked on the product packaging need to have the information, or it will can't go to the market to sell, such as blue QS logo ( It marked the manufacturers in the production of food hygiene and qualified certificate) , different products have different types and standards, need to have the production date and shelf life, and there will be into the supermarket to sweep the black bar code code marks a price, the manufacturer factory name, address, telephone, of course, need to have; Select material and design are well is the making process of the real food packaging bags, * is printing: need is food grade of printing ink and add the raw material, using single plastic film to print ( Printing is printed inside the film, for the sake of the composite when sandwiched between two layers, it will not appear the phenomenon that falls off color) using ； Second is complex: the printing film and make a layer or two layers of plastic film by solvent adhesive and other together, composite products must be strong, no solvent residual, and shall not have foreign body in the process of composite infiltrated, as some small particles, insects, etc. , packaging can't use, will cause serious influence to the enterprise into the market; The third is the cutting: is the compound printing good volumes of material cut off excess will not affect the product is beautiful and clean; Fourth is bag: just make a step after *, also formed an important part of the product, shall ensure that hot mouth hard, produced by food packaging can't leak, tear easily, bag making, in the form of three edge sealing, back sealing, self-reliance, organ bags, zipper bags, and other forms, according to the production plan and the sizes of early * to complete.

through the above steps to complete the production of the entire food packaging bags, * after is the manufacturer or on its own if necessary please third-party testing, only testing qualified products into the market use, that the product is qualified, *, non-toxic harmless, generally the manufacturer of a professional ethics through the inspection qualified can himself, because the strict factory is not allowed to market their products is unqualified.

packing bags of food * directly relates to the interests of consumers and manufacturers, so need to learn.