Pengaruh Rasio Needle Bleach Kraft Pulp (Nbkp) Dan Bleach Chemi-Thermo Mechan…

ABSTRACT Paper is a sheet structure made from pulp and other materials as additives with specific functions. Paper is available in several grades, some of which are distinguished by weight. Paper weighing >190 g/m2 (grams per square meter) is referred to as paperboard. Paperboard is a thick and strong paper-based material that has 3 layers, commonly used to make products such as packaging, box…