Representativeness of sampling for irregular bags and boiled bags
① When confirming the first sample, the quantity of one continuous sampling should cover the length of all sealing knives, so as to effectively avoid missing inspection of local sealing defects.
② The sampling is conducted after the commissioning is normal. The manufacturer of special-shaped bag adjusts the heat sealing temperature, pressure and machine speed, and reconfirm after replacing the film coil.
Special shaped bags expand knowledge: the influence of printing speed
The faster the printing speed is, the shorter the time for the printed matter to pass through the drying oven, and the more unfavorable to the ink drying. www.dgbpk.com/
Dongguan Beite packaging materials Co., Ltd
Dongguan special bag, plastic bag, plastic bag, plastic bag