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The materials are multi-layers with thin membrane of resisting wetness and airiness. It's available to depend on the requirements of fillings to do a wide variety of assembly as well as the delicate printing.
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The differences if comparing to the old-fashioned fixing edge and palm sealing. |
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1. |
Without the back middle line and palm sealing band to increase the esthetic feelings, which is the feasibility of designing the pictures of fine arts.
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2. |
The thickness of the sealing on the bottom is more uniform because of no middle line of palm sealing band. It's easy to do the heat sealing, which is able to use on vacuum packing without leaking the air. |
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3. |
The four-edge sealing is more esthetic, and the outside appearance looks more erect. |
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4. |
It's needless to stick on the bottom. After filling the article, the packing can be straight at once to reduce the cost. |
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5. |
It depends on the need to make a bag or small, and to be produced by the automation of the machine. The width of a bag can reach 60cm, and the length is more than 100cm, which is unnecessary for producing in man-made. |
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6. |
Esthetic and useful due to the V-shaped sealing. |
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Four Side Seal Pouch :
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Old type two-edge sealing pouch can not be made as big pouch to extract vacuum or fill in the Nitrogen. The pouch making machine can make the big tea bag sized 500m/m(W) x 1000m/m(L) to pack the object more than 30kgs. Besides, as it can be extracted vacuum or fill in the nitrogen, thin kind of pouch will solve many problems on big pouch.
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