Regarding the types of flexible packaging laminate materials structures,its classification is similar with the flexible packaging type,that is sorted as per”broad categories”and”narrow categories”.

1-by a broad categories,it is separated into“printing layer”,”barrier layer”and”contact layer”.

2-by a narrow categories,it is divided into the different flexible packaging raw materials and matched the relative terminology.

These raw materials will laminated together by the flexible packaging lamination process and to be formed into a certain of”material structure”.