成人在线免费播放_99人妻精品日韩欧美_熟女天堂av一区二区三区_亚洲色图欧美色图日本一道_精品视频久久国产_牛牛色婷婷在线视频播放_医生从奶罩摸进去了h_免费一级片电影无码连接_加勒比人妻中文字幕在线视频_我的继坶我的性老师

手帕紙包裝一般用的材質是PE膜或者是CPP膜
現(xiàn)在大品牌一般用MDPE或者CPP膜
例如,溫度過高,墨就容脫落.或者運輸過程中互相間摩擦力突然增加,容易造成包裝脫墨現(xiàn)象.
另外,這也可能和里印或者表印有關
所謂里印,就是包裝圖案印在膜的里側,也就是和紙接觸的一面
表印,就是包裝圖案印在膜的外面,也就是和空氣接觸的一面,比較容易脫落.

Handkerchief paper packaging commonly used material is PE film or CPP film is now a major brand commonly used MDPE or CPP film, for example, temperature is too high, ink will fall off. Or in the course of transportation, friction between the sudden increase, easy to cause packaging deinking phenomenon. In addition, it may also be related to the inside print or the surface print. The so-called inside print is the packaging pattern printed on the inside of the membrane, which is the side in contact with the paper. The surface print is the packaging pattern printed on the outside of the membrane, which is the side in contact with the air Its easier to fall off.