This paper which is used in external layer of carton, has some special features such as: less water absorption in upper layer than its lower layer. The upper layer absorbs less water, in order to be resistant against environmental moisture and optimizing its printability level. In compare, the lower layer absorbs more water, in order to provide better coherence to fluting paper surface. Besides, the surface of Testliner paper is more water resistant, for high quality printing.
Considering the quality of this paper, it may be used both in external and internal layers of carton. The grammage of this type, varies in range of 90-220.
Setareh Fars manufacturing is able to produce the grammage range of 110-180.
Water absorption COB/60, can be changed within 30-60 based on the customer’s request.