BS 14322:2021 pdf download – Wood-based panels — Melamine faced boards for interior uses — Definition, requirements and classification This document specifies the surface requirements and dimensional tolerances for decorative melamine faced boards for interior use which are common for particleboards, extruded particleboards fibreboards and sandwich boards for furniture. This document is not applicable to boards laminated with so called priming foils or finish foils and laminates according to EN 438-1 and EN 438-2. This document is not applicable to laminate floor coverings. Melamine faced wood-based boards in accordance with this document can be referred to as MFB. 2 Normative references The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 311, Wood-based panels – Surface soundness – Test method EN 320, Particleboards and fibreboards – Determination of resistance to axial withdrawal of screws EN 717-1, Wood-based panels – Determination of formaldehyde release – Part 1: Formaldehyde emission by the chamber method EN 14323:2021, Wood-based panels – Melamine faced boards for interior uses – Test methods EN ISO 11664-6, Colorimetry – Part 6: CIEDE2000 Colour-difference formula (ISO/CIE 11664-6) EN ISO 12460-3, Wood-based panels – Determination of formaldehyde release – Part 3: Gas analysis method (ISO 12460-3) ISO 13655, Graphic technology – Spectral measurement and colorimetric computation for graphic arts images 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. ISO and IEC maintain terminological databases for use in standardization at the following addresses: — ISO Online browsing platform: available at https://www.iso.org/obp — IEC Electropedia: available at https://www.electropedia.org/ 3.1 melamine faced board MFB board manufactured by directly applying uncured aminoplastic resin impregnated papers to one or both faces of board substrates and achieving bonding and curing in the same process using heat and pressure but without the use of an intermediate adhesive Note 1 to entry: The resin of the surface layer is an aminoplastic resin (mainly melamine resin). Note 2 to entry: The board surfaces can be smooth or structured on one or both faces and the outer surfaces having decorative colours or design. 4 Requirements Melamine faced boards shall comply with the general requirements as listed in Table 1 when dispatched from the producing...

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