ISO 12507:2025

Paper and pulp — Deinkability test for printed paper product mixtures containing woodfree printed paper

This document specifies a basic laboratory test method for deinkability of woodfree printed paper products as a mixture under alkaline conditions by means of single stage flotation deinking and fatty acid-based collector chemistry. The woodfree printed paper product of interest is tested as a mixture containing 10?% by weight of the woodfree printed paper with the balance comprising a mixture of printed wood-containing paper.