This study aims to provide information on the mobility of formaldehyde within a mattress of particles during hot-pressing. To this end, adhesive-free mattresses of virgin wood particles, which contain either a small dose of formaldehyde solution or slices of ‘old’ particleboard placed in one corner of the mattresses, were hot-pressed, cut into standard samples and then tested via EN 717-2. The results indicate that formaldehyde is mobile such that the emission levels across the samples were fairly consistent. Strips that contained high quantities of old furniture, however, still exhibited higher emissions than samples that did not contain old furniture particleboard.
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