Rasio Penggunaan Oba Wet End Dan Surface Dan Pengaruhnya Terhadap Brightness

ABSTRACT Paper is a daily necessity whose use has existed for thousands of years. Paper is a sheet made of natural cellulose or man-made fibers that undergo processing, grinding and chemical additions that make them stick together and intertwine. One of the qualities that must be maintained or improved on paper, especially offset paper, is its optical properties. Optical properties can be …