Product Overview The YYP-016 Paper Dust Tester is a dedicated inspection instrument for evaluating dust and impurity levels in paper and paperboard. It is specifically suited to quality control of food packaging materials, including food parchment, translucent paper, food wrap paper, and food board, in line with QS authentication requirements for paper packaging. Working Principle The instrument consists of a sturdy base, a rotary table, and a 20W fluorescent inspection lamp.