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There are two kinds of production of chain-styled bags, one kind is the direct blown film molding, since the seal above generally is 1.8CM, the self-proclaimed mouth is relatively thick, the self-sealing bag is close to the two sides adopts the eagerly sealed way to make the finished product; Another one is the method of attaching the clip chain, the latter one is mainly used in the production of compound bag
Self-adhesive bag production is mainly the use of single film crosscutting, both sides of the heat seal, bag pros and cons of different lengths, one side longer than the other side of the 3-5cm can be retraced part of the back part of the sticker with self-adhesive, destructive glue, such as colloid, when used to open the plastic mask on the back of the bag can be sealed.
The following is a chain of self-sealing bag common specifications and size, thickness generally for single-sided 0.03mm, also known as 3 silk, 3s, there are 0.03mm~0.2mm, etc., can be produced according to different thickness.