The main thickness of the mask bag is 10-14 silk, three PET/AL/PE or four level matte OPP/AL/PET/PE.. Because of the high added value property of the mask product, the mask bag chooses pure aluminum with good barrier property and seldom considers aluminum plating. More and more customers choose matte OPP as fabric, showing high-grade design effect; while the selection of matte OPP needs to pay more attention to the quality of coating, otherwise it will add difficulties to the printing process; at the same time, considering from the bag making process, matte OPP as fabric has less heat sealing performance than pet. Once the thickness reaches 13 wires or more, the production personnel need to pay more attention to the temperature and pressure To avoid the appearance wrinkle problem caused by too fast equipment running speed.
Mask bag requires exquisite printing effect. Ink is also very important to the quality of the mask bag. Prenatal color standard confirmation, the stability of production operation, these are essential elements. The consistency of different batch colors can reflect the level of printing process in soft package factory. The color management system we have established will greatly promote the stability of our printing products. http://www.ycritai.cn/