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Tea bag packaging introduction

    Tea packaging bags, China is the hometown of tea. Tea-making and tea-drinking have thousands of years of history. There are a collection of famous products. The main varieties are green tea, black tea, oolong tea, scented tea, white tea, yellow tea, and dark tea. Tea has the therapeutic effects of fitness and disease treatment, and it is full of appreciation and can cultivate sentiment. Tea tasting and hospitality are elegant entertainment and social activities for Chinese individuals. Then, more and more attention is paid to the packaging of tea. There are boxes, bags, etc. Today, the main introduction is the material and production process of tea bags, and some problems that occurred in the later period.


     First, according to the national standard tea packaging bags, the packaging materials are PET, PE, AL, OPP, CPP, VMPET, etc. The most commonly used structure is PET/AL/PE. Let’s first look at the production process of tea packaging bags: printing-inspection-coding-compounding-maturation-slitting-bag making one.

     1. Printing
     There are printed and non-printed packaging bags. The cost of non-printing is lower than the cost of printing, because one of the colors requires one plate roller, so there are several plate rollers for a few colors. The quality of the printing machine is also very important. If there are problems with printing speed, correction during printing, etc., it will affect the overall delivery time.

    Two. Inspection
    The inspection is usually after printing and in the process, that is to say, if you do not need to print the tea packaging bag, you do not need to inspect the product. First, it is necessary to make sure that the inspection is a machine, and the printed film is inspected according to the set data.

    Three. Coding

    Coding For customers who have coding requirements, the product can be coded.

    Four. Compound Laminating

    Compound Laminating is to glue several kinds of films with corresponding adhesives. Some of the parameters will not be emphasized. Here we mainly talk about the classification of composites. The composites are divided into: dry composite, solvent-free composite, co-extrusion composite, extrusion complex. They have their own advantages and disadvantages.

    Five. Mature
    Curing is to let the adhesive volatilize, mainly the remaining adhesive during the previous compounding. Different packaging and roll film packaging of different products have different curing times.

    Six. Divide /Slitting
    Whether it is making bags or film rolls, slitting can be used. Because the printed products are relatively wide, slitting is a critical step to produce the specifications required by customers.

    Seven. Bag making 

    This is based on the needs of users, and some do not need to make bags, just place the packaging film on the packaging machine and pack directly. Some need to make bags, and the common bag types are: three-side sealing bag, folding bottom self-supporting zipper bag, slotted self-supporting zipper bag, double-edge bag.

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