The material life of people gradually improve, family pets, pet gradually become one of the important members of the family, then promote the development of the pet food industry development.
Pet food samples with our daily food, and also have the quality of the products, the safety requirements.
Pet food shelf life requirement in shelf period, pet food to ensure that no problem during metamorphism, stale, nutrient loss, and so on.
And affect the shelf life for as many, including preservatives, packaging, storage conditions, and so on factors, we should focus on pet food bags here.
Pet food generally contain protein, fat, amino acids, minerals, crude fiber, vitamin and so on, these components also provide good for microbial breeding conditions.
So to ensure that the pet food nutrition value, extend the goods shelves, will inhibit the activity of microorganism.
Microbial survival of three elements: the environment temperature, oxygen and moisture.
In the shelf life, the packing of the moisture content and oxygen content of more dependent on the integrity of the pet food bags and the blocking performance.
Among them, the integrity of the packaging for shelf life is the most direct impact.
More common on the market of pet food packages containing plastic flexible packaging, composite plastic packaging, self-supporting zipper bags, paper packaging, blister packaging and tin tins, etc.
Whether what kind of packaging, packaging integrity is very important.
If there is a pore or packaging is flat, the oxygen and water vapor into the bag, the pet food quality.
And packaging integrity problems easy to appear at the heat sealing bag, barrel and other materials to meet the part of the tins.
At present, the common pet food packages on the market with plastic flexible packaging, composite plastic packaging, eight edge-sealing self-reliance bags, organ bags, paper-plastic packaging, blister packaging and tin tins, the most commonly used for zipper free-standing composite plastic soft packing and blister packing.
The composite structure can effectively improve the bearing capacity and packaging the whole block performance.
If the peel strength is too low, the compound of poor quality, packaging can not be well implemented multilayer material dispersion force, common have the quality expectations of barrier property, packaging easily broken falls, blocking performance fell short of expectations.
Heat sealing strong degree represents the strength of the packing seal.
If the heat sealing strength is too low, easy to cause in the process of handling the sealing scattered cracking and pet food, pet food and oxygen in the air and water contact, food easy to mildew.
It seems that the pet food bags of whole sealing is very important.
If the packing is not complete, no doubt, in the role of oxygen in the air and water, pet food easily gone mouldy, nutrient will be lost.
When consumer is buying food for their pets, must carefully check whether pet
food packaging is complete, no leak.
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