Mask bag packaging knowledge!

Mask packaging bag type generally fall into five categories: four seal bag, single chip and back sealing bag, pillow type bag. , a mask packaging back sealing bag: back in the sealed bag is also called seal bag, make note: 1, the front by able to enter the reverse side, but the opposite by absolutely can't go into the front. 2, layout direction: printing with the heat sealing side direction must be in the same direction. 3, the front, opposite by overall general in their respective centered around placed within the cell size. 4, back sealing bag: cutting first, after the bag. 5, design position permutation requirements: trademark, name, net content, bar code and other important graphic can't too close, close to stitch the pattern will be sealed after lest heat sealing. 2, mask packaging pillow type bag: is divided into three types: scale pillow type bag, inequality pillow type bag, side sealing pillow type bag. The side sealing pillow type bag is divided into three types: no heat sealing side, unilateral heat sealing side, on both sides of the hot sealing side. Pillow type bag as a version of note: 1, the layout direction: printing direction with heat sealing side direction to maintain consistent. 2, inequality pillow bag, front size is greater than the sum of two opposite size. 3, design position permutation requirements: trademark, name, net content, bar code and other important graphic can't too close, close to stitch the pattern will be sealed after lest heat sealing. 4, positive, back pattern content is the same or opposite to a group as a whole, bounding to seamless after the opposite pattern. 5, positive, side, back design overall general place centered around inside each cell size. 6, is, back pattern generally will enter the side, the side pattern must not enter the positive and negative, if side by entering will affect beautiful.