1. Manufacture of chipboard panels: the case of OSB
The various types of wood-based chipboard consist of wood fibers, particles or chips bonded together by a heat-cured resin (see figure 5 and figure 1 ).
This resin can be :
a urea-formaldehyde resin, the most frequent case, for ordinary particleboard;
melamine-formaldehyde resin, which is less common because it is much more expensive than UF, or a mixed MUF (melamine-urea-formaldehyde) resin;
a phenolic resin for excellent water and heat resistance.
We have studied these different resins in the
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Manufacture of chipboard panels: the case of OSB
Plywood
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Standardization
French Standards Association (AFNOR)
http://www.afnor.org
- Wood-based panels – Determination of formaldehyde content – Extraction method, also known as the perforator method. - NF EN 120 - 10-92
- Classification des colles thermoplastiques pour bois à usages non structuraux. - NF EN 204 - 04-02
- Thin, long and oriented strand board (OSB) – Definitions, classification and requirements....
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