Abstract
The sizeable global production of wood-based products requires new sources of raw material, but also creates large quantities of wastes or composites that do not comply with requirements. In this study, the influence of different shares of recovered high-density fiberboards (HDF-r), reversed into the production, on industrial HDF properties, has been examined. HDF-r may be a suitable partial substitute for raw pinewood for industrial HDF production. Although most of the mechanical properties, as well as thickness swelling and water absorption, had a linear decrease with the increase in the share of HDF-r share, the elaborated boards met most of the commercial requirements (EN 622-5). The property that did not meet the requirements was the internal bond strength for panels with 10% of HDF-r. The presented results show that, after some adjustments, it should be possible to produce HDF boards with up to 10% of recycled HDF being able to meet all commercial requirements.
Highlights
Global development and population growth [1] result in a more significant demand for new space for accommodation
The first visible difference is the color, with high-density fiberboards (HDF-r) being darker than wood chips
It may be possible to produce industrial high-density fiberboards (HDF) with up to 10% HDF-r
Summary
Global development and population growth [1] result in a more significant demand for new space for accommodation. Together with the operation new residential buildings, the demand for new furniture made of, for example, particleboards (PB) or fiberboards, among which the most common are hardboard (HB), medium-density fiberboards (MDF), and high-density fiberboards (HDF), is growing as well. For this reason, there has been a considerable growth in the world production of wood-based panels. Different wood species are used for the production of wood-based panels, depending on their availability. The species of Polish forest consists of ≈70% of pine (Pinus sylvestris L.), and ≈6% of oak (Quercus robur L.), spruce (Picea abies (L.)
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