How many kinds of kraft paper bags
1: According to the raw materials can be divided into: a. pure kraft paper bag; b. paper aluminum composite kraft paper bag (kraft paper composite aluminum foil); c. woven bag composite kraft paper bag (general bag type is larger)
2: According to the bag type can be divided into: a. three-side sealing kraft paper bag; b. side organ kraft paper bag; c. self-supporting kraft paper bag; d. zipper kraft paper bag; e. self-supporting zipper kraft paper bag
3: According to the bag type appearance can be divided into: a. valve pocket; b. square bottom bag; c. seam bottom bag; d. heat sealing pocket; e. heat sealing square bottom bag
