The types of packaging bags
The form of packaging bag is generally divided into back seal bag, pillow bag, four seal bag, monolithic,etc.
1. Back seal bag pattern position arrangement requirements: trademark, product name, net content, bar code and other important graphic and text should not be too close to the edge of high heat seam, so as to avoid sealing the pattern after heat sealing. The front text and text can enter the back, but the back pattern can not enter the front. Typesetting direction, printing direction must be consistent with the direction of heat sealing. The front and back of the overall text and text are generally placed in the center of the unit size.
2. The pillow bags can be divided into three types: standard pillow bag, inequality pillow bag and side sealing pillow bag. The side sealing pillow bag can be also divided into no heat sealing edge, unilateral heat sealing edge, both sides of the heat sealing edge.
3. The four seal bag can be divided into five types: standard four sealing bags, three side sealing bags, standup bags, zipper bags, single-sided aluminum bags.
4. monolithic
For example, medicine, tape, tablecloth and other large area of the full version of seamless or seamless monolithic packaging. Such as mineral water, beverages, labels, bottle stickers, and other monolithic packaging bags.
