NEN EN 643 : 2014

 Foreword
 Introduction
 1 Scope
 2 Terms and definitions
 3 Grade identification
 4 Moisture content in recovered paper and board
 5 Designation
 6 Quality classification of raw materials
    6.1 Group 1, ordinary qualities
    6.2 Group 2, medium grades
    6.3 Group 3, high grades
    6.4 Group 4, kraft grades
    6.5 Group 5, special grades

Specifies grades of paper and board for recycling used as raw material for recycling in the manufacture of paper and board products in the paper industry. Also defines tolerances for unwanted materials as well as the composition of paper and board for recycling.