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  • The application of aluminized bags

    What is the aluminized  film?  the aluminized  film is a  composite  flexible packaging material   formed  by coating a  very thin layer  of metal aluminum on the surface of a plastic film by a  special process. The most commonly used processing method is the vacuum aluminizing method.  ...
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  • The introduction of composite flexible packaging material

    The composite flexible packaging can be divided into: printing film, composite film, and inner film     Printing film: BOPET, BOPP, MOPP, BOPA, PETAL     Composite film: KARFT, AL, BOPA, VMPET     Heat sealing film: LDPE, HDPE, CPP, RCPP   Classified by composite function: Reinforced composite...
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  • How to use vacuum bags correctly

    Vacuum packaging bag are really popular in our daily life, and these vacuum packaging bag are generally used in the place that sell the cooked food. Now, there  are so many kinds of brands  on the market,  and we must choose the good material and good sealing effect to use.  The vacuum bag can ke...
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  • The advantage of aluminum foil pouch

    The manufacturer of pure aluminum foil bags- Henan Baolai Packaging Co.,Ltd has thoroughly researched the quality issues such as the material, layered, and air bubbles of multi-pure aluminum bags.Therefore, the pure aluminum bags we produce are of good quality and cost-effective with the effort o...
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  • What properties of the stand up pouch for jam packaging should be focus on

    (1) Barrier. Barrier ability to oxygen in the environment. If the barrier property of the packaging material is poor, the oxygen transmission is low. Then the oxygen in the environment penetrates into the packaging will bee more, the jam is prone to mold and the bag will rise because of the large...
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  • The difference between LDPE and HDPE

    LDPE is low density polyethylene, which is a plastic material. HDPE is high-density polyethylene, a highly crystalline, non-polar thermoplastic resin.   The appearance difference between LDPE and HDPE: HDPE is generally opaque, and after biting with teeth, white stubble marks will appear at ...
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  • How to choose the suitable packaging bag

    People closely follow the peace of the times and have their own views and aesthetic on the shopping , food and clothing. The important reason of choose any things is beauty and elegant. And there are very strict requirements for the packaging bags. Good packaging bag will be loved by most custome...
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  • The difference between compound bag and singlee layer bag

    The multi-layer composite or composite aluminum foil bag refers to the packaging material formed by the composite of two or more layers of films, which can be not only plastic films, but also aluminum foil metal materials, and paper, etc.   The essential difference between the composite bag ...
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  • soilless cultication of fruit and vagetables- plastic planting bags

    Many greenhouse have been replaced by soilless cultivation mode to plant fruits and vegetables, which not onlu saves labor, but also solves the problem of soil salinization. Some farmers see that we use plastic planting bags as planting troughs, and ask why we use non-woven bags? Isn’t it b...
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  • Why you should choose Polaris Packaging

    We are a flexible packaging factory located in Zhengzhou, China with 16 years of production experience in China. Our foreign trade department started two years. In the past two years, we have established two foreign trade departments , accumulated 500 customers and established long-term friendly ...
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  • What is the one-way valve on the coffee bag for ?

    When we purchase the coffee bag, there is a valve on the pouch named one-way valve.   The one-way valve can be understood as a small valve that can be opened outwards. And the carbon dioxide in the bean bag can be removed, but the oxygen from the outside cannot enter. So as to discharge carb...
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  • How to choose the right tea packaging bag

    The quality of the tea bags determines the quality of tea leaves, and there are many parts that affect the quality of the tea packaging bag. When we choose the tea bags, we only need to observe the quality of tea bag from these points, and basically can filter out better tea bags. What to pay att...
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