ISO/TC 89/SC 3 - Plywood

This document establishes requirements for the specifications of blockboards and battenboards for general use, in dry, tropic dry/humid, and high-humid/exterior conditions. It includes requirements of materials, lay-up, physical and mechanical properties, bonding quality, formaldehyde release, conformity verification, and marking. The values listed in this document relate to product properties, but they are not characteristic values to be used in design calculations.

This document provides systems of classification of plywood panels based on general appearance and principal characteristics.

This document establishes the standard terms and definitions (including those relative to features and defects), the methods for the determination of physical characteristics and the tolerances for dimensions (length, width, thickness) for wood veneers, including natural, treated and multilaminar veneers, that can be obtained by slicing, rotary cutting or sawing. The specific definitions, properties and requirements concerning these treated, multilaminar veneers and laminated wood veneers are not included in this document.

This document specifies the nature and limits of characteristics inherent in wood and manufacturing defects enabling the visual assessment of the plywood for allocation to an appearance class. This document applies to plywood, the surface veneers of which are made from hardwood species[1] including tropical and temperate hardwood. It does not apply to overlaid panels. [1] Conventionally, broadleaved species.

This document establishes general rules for the classification of plywood by its surface appearance. It concerns plywood made of hardwood including tropical and temperate hardwood, softwood and plywood derived from other lignocellulosic materials. It does not apply to overlaid plywood.

This document specifies the nature and limits of characteristics inherent in palm-plywood and manufacturing defects enabling the visual assessment of the plywood for allocation to an appearance class. This document applies to palm-plywood, the surface veneers of which are made from oil palm trunk.

ISO 13608:2014 specifies the terms, classifications, requirements, test methods, marking, for decorative veneered plywood with natural wood veneer, coloured veneer, laminated veneer, multilaminar veneer, and other types of veneer as decorative surface and plywood as a core panel, where the surface veneer thickness is less than 0,55 mm.

ISO 1954:2013 specifies dimensional tolerances of plywood panels (length, width, thickness) and tolerances for edge straightness and squareness.

This part of ISO 10033 specifies requirements for determining the bonding quality class of Laminated Veneer Lumber (LVL) bonded with thermosetting resins, according to their intended end uses.

ISO 10033-1:2011 specifies test methods for determining the bonding quality of Laminated Veneer Lumber (LVL) bonded with thermosetting resin.

ISO 18776:2008 specifies the requirements for Laminated Veneer Lumber (LVL) for general purposes and structural applications, in dry, tropical-dry/humid or high humidity/exterior conditions. Laminated Veneer Lumber (LVL) is a general description for an assembly of veneers laminated with an adhesive, in which the grain direction of the outer veneers and most other veneers is in the longitudinal direction. ISO 18776:2008 specifies requirements for the quality of veneers, bond durability, tolerances on dimensions, and structural characterization.

ISO 12466-2:2007 specifies requirements for determination of bonding quality class of plywood, blockboard, battenboard, and laminboard, bonded with thermosetting resins, according to their intended end uses.

ISO 12466-1:2007 specifies methods for determining the bonding quality of plywood, blockboard, battenboard, and laminboard, bonded with thermosetting resin, by shear testing.

ISO 12465:2007 establishes requirements for the specification of plywood for general and structural use, in dry, tropical dry/humid and high-humidity/exterior conditions. It includes requirements for the quality of veneer, glue bond, lay-up (construction), dimensions and tolerances, conformance verification and marking. The values listed in ISO 12465:2007 relate to product properties, but they are not characteristic values to be used in design calculations. Additional information on supplementary properties for certain applications is also given.

This part of ISO 2426 specifies the nature and limits of characteristics inherent in wood and manufacturing defects enabling the visual assessment of the plywood for allocation to an appearance class. This part of ISO 2426 applies to plywood, the surface veneers of which are made from softwood species. It does not apply to overlaid panels.

ISO 13609:2014 establishes requirements for the specifications of blockboards and battenboards for general use, in dry, tropic dry/humid, and high-humid/exterior conditions. It includes requirements of materials, lay-up, physical and mechanical properties, bonding quality, formaldehyde release, conformity verification, and marking. The values listed in ISO 13609:2014 relate to product properties, but they are not characteristic values to be used in design calculations.

ISO 1096:2013 provides systems of classification of plywood panels based on general appearance and principal characteristics.

ISO 27567:2009 describes the methods for determining the thickness, length, width, spring, bow, twist and section squareness and cupping of test pieces of structural laminated veneer lumber (LVL), as specified in ISO 18776.

ISO 18775:2008 establishes the standard terms and definitions (including those relative to features and defects), the methods for the determination of physical characteristics and the tolerances for dimensions (length, width, thickness) for wood veneers, including natural, treated and multilaminar veneers, that can be obtained by slicing, rotary cutting or sawing.

Classifies the surfaces in one of the grades E, I, II, III, and IV in accordance with ISO 2426 as defined by the permissible defects indicated in the table. The terms used are defined in ISO 2074. A list of the species of poplar used for this purpose is given in the Annex.

Classifies the surfaces in one of the grades E, I, II, III, and IV in accordance with ISO 2426 as defined by the permissible defects indicated in the table. The terms used are defined in ISO 2074. A list of the different species of birch used for this purpose is given in the Annex.