Wood-based panels - Determination of formaldehyde release - Part 4: Desiccator method (ISO 12460-4:2016)

This document outlines a specific test method designed for evaluating formaldehyde emissions from plywood products. It establishes a standardized procedure utilizing the desiccator technique to measure the concentration of formaldehyde released under controlled conditions. The approach ensures consistency and comparability of test results across different laboratories and regions, facilitating accurate assessment of material compliance with safety and quality requirements. The methodology defines precise sample preparation steps, including cutting dimensions and conditioning parameters, alongside detailed instructions for the desiccator setup, temperature control, and the chemical analysis of the resulting solution. By adhering to this protocol, manufacturers and regulators can reliably determine the emission levels of wood-based panels, supporting efforts to monitor environmental impact and ensure product safety within the supply chain. This technical specification aligns with broader international frameworks for testing wood-based materials, providing a clear and reproducible means to assess formaldehyde release without relying on subjective or variable testing conditions.