ISO 12507:2025 PDF

Name: ISO 12507:2025 — Paper and pulp — Deinkability test for printed paper product mixtures containing woodfree printed paper
SKU: ISO 12507:2025
Price: 25 EUR
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Paper and pulp — Deinkability test for printed paper product mixtures containing woodfree printed paper

Название (английский):

ISO 12507:2025

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

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 23
Дата публикации:: 19 февраля 2025 г.
Издание:: ISO IS 12507 edition 1 version 1
ICS:: 85.040

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Описание (английский):

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.

Abstract

Похожие стандарты

Упомянутые в описании и другие стандарты ISO

Overview

ISO 12507:2025 - Paper and pulp - Deinkability test for printed paper product mixtures containing woodfree printed paper - is a laboratory test method for assessing the deinkability of woodfree printed paper when present as a minor fraction in a mixed printed-paper stream. The method simulates a single-stage alkaline flotation deinking process using fatty acid–based collector chemistry and specifies testing a mixture composed of 10% by weight woodfree printed paper with the balance being printed wood-containing (mechanical-pulp based) paper. The standard is intended to give an indication of how such mixtures will perform under typical alkaline flotation deinking at laboratory scale.

Key technical topics and requirements

Scope and principle: Simulates ink detachment and removal under standardized alkaline deinking and single-stage flotation conditions; not intended for near-neutral/neutral flotation or additional industrial steps such as washing, bleaching, post-flotation dispersion, or extensive cleaning/screening.

Sample composition: Tests mixtures containing 10% woodfree printed paper blended with mechanical-pulp based printed papers to reflect common post-consumer streams.

Equipment and chemicals: Specifies general laboratory equipment, pulping devices, flotation cell examples, and the use of fatty acid-based collectors for flotation chemistry.

Procedure and sample handling: Covers sampling, identification, removal of non-paper materials, accelerated ageing, pulping, pH control, dilution, flotation, and yield determinations.

Specimen preparation and analysis: Procedures for preparing filter pads, membrane filters and handsheets; analytical methods include reflectance measurements, filtrate darkening assessment, and dirt particle measurement (scanner-based), plus guidance on moisture and ash determinations.

Reporting: Defines information to include in the test report and annexes on device examples, filter testing, pH testing for small samples, and threshold/size classification.

Practical applications and users

Recycling and deinking laboratories validating how a small fraction of woodfree print affects deinkability in mixed streams.

Paper mills and deinking plants assessing feedstock blends and predicting flotation deinking performance under alkaline conditions.

Paper manufacturers, converters, and brand owners seeking to understand recyclability and process compatibility of printed products.

R&D groups developing inks, coatings, or collector chemistries and needing standardized lab-scale comparison methods.

Standards organizations and procurement/specification teams incorporating deinkability criteria into quality or sustainability scorecards.

Related standards

ISO 21993 (mentioned as an adjunct method for testing 100% printed articles under alkaline conditions) - use ISO 12507:2025 when the woodfree fraction is a minor component of a mixed stream.

Keywords: ISO 12507:2025, deinkability test, woodfree printed paper, flotation deinking, alkaline deinking, fatty acid collector, paper recycling, laboratory method.

ISO 12507:2025 PDF

Abstract

Похожие стандарты

Overview

Key technical topics and requirements

Practical applications and users

Related standards

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ISO 21993:2020

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