Current, our country of make a comprehensive view cuts off to packing film function test basically still slants what overweight packages data is osmotic (oxygen and vapor) , the standard of check proved recipe that lacks airtight to the whole of package and product function. The author thinks the test of airtight to whole function will make a when will check henceforth new growth trend, have some of product for example pack, the test of the material that pack is satisfactory as a result, but often be inferior to however in using a process meaning, because pack material to shape in its,this is, fill up, heat is sealed, antiseptic and keep in storage, carry, in the process such as the sale, of material cut off function can produce change, may produce new leak at the same time, and permeate and leak is not a concept, use so tall cut off the material of the gender that pack, can not produce certainly piece tall cut off sexual package. Accordingly, want to obtain to the whole that pack true opinion, only right of the material that pack osmotic detecting is insufficient, the test that still needs to undertake to the airtight finally finished product that pack gas passes through function in order to win the real case of current domain.

Flexible package examines the project is increasing ceaselessly as the demand of the market, if food packages data, the rapid development that packs an industry as our country food and people pack safe attention to be strengthened ceaselessly to food, and new the food that come on stage packages data mandatory attestation works begin, this kinds of material besides mechanical to groovy physics function outside detecting, inevitable meeting strengthens his to cut off of function, wholesome function detect, still can increase dissolve to give content, easy oxide at the same time, not the experimental project such as volatile, microbial limit, unusual noxiousness. Choose and use scientific and reasonably cut off the technology that pack, choose correctly cut off the gender packages data, and have pair of alternative stuff that pack undertake cutting off of the respect such as function, physical machinery function, wholesome function detect, can assure the character of the product that be packed not only, and be helpful for reducing the cost that pack, managing material dosage, reduce the litter that pack, domain of plastic to extending flexible package, the market competition ability that enhances the plastic business that pack has far-reaching sense.



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