1、 ISO 2014 Wood-based panels Plywood Blockboards and battenboards Panneaux base de bois Contreplaqus Panneaux latts avec lattes troites et avec lattes larges INTERNATIONAL STANDARD ISO 13609 First edition 2014-02-01 Reference number ISO 13609:2014(E) ISO 13609:2014(E)ii ISO 2014 All rights reserved C
2、OPYRIGHT PROTECTED DOCUMENT ISO 2014 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written pe
3、rmission. Permission can be requested from either ISO at the address below or ISOs member body in the country of the requester. ISO copyright office Case postale 56 CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyrightiso.org Web www.iso.org Published in Switzerland ISO 136
4、09:2014(E) ISO 2014 All rights reserved iii Contents Page Foreword iv 1 Scope . 1 2 Normative references 1 3 T erms and definitions . 2 4 Material requirement 2 4.1 Requirements for veneer 2 4.2 Requirements for plywood . 2 4.3 Requirements for core strip. 3 4.4 Requirements for core strip assembly
5、4 4.5 Adhesives . 4 5 Panel lay-up and manufacturing requirements . 4 6 General requirements . 4 6.1 Dimensions and tolerances 4 6.2 Classification by surface appearance . 4 6.3 Requirements of physical and mechanical properties 5 7 Bonding quality . 5 8 Formaldehyde release requirements 5 9 Other c
6、haracteristics 5 10 Conformances 5 11 Mar king , identification, and documentation 6 ISO 13609:2014(E) Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normal
7、ly carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the
8、 work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. The procedures used to develop this document and those intended for its further maintenance are described in the ISO/IEC Directives, Part 1. In particular the
9、different approval criteria needed for the different types of ISO documents should be noted. This document was drafted in accordance with the editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives). Attention is drawn to the possibility that some of the elements of this docume
10、nt may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of any patent rights identified during the development of the document will be in the Introduction and/or on the ISO list of patent declarations received (see www.iso.org/
11、patents). Any trade name used in this document is information given for the convenience of users and does not constitute an endorsement. For an explanation on the meaning of ISO specific terms and expressions related to conformity assessment, as well as information about ISOs adherence to the WTO pr
12、inciples in the Technical Barriers to Trade (TBT) see the following URL: Foreword - Supplementary information The committee responsible for this document is ISO/TC 89, Wood-based panels, Subcommittee SC 3, Plywood.iv ISO 2014 All rights reserved INTERNATIONAL ST ANDARD ISO 13609:2014(E) Wood-based p
13、anels Plywood Blockboards and battenboards 1 Scope This International Standard 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 me
14、chanical properties, bonding quality, formaldehyde release, conformity verification, and marking. The values listed in this International Standard relate to product properties, but they are not characteristic values to be used in design calculations. 2 Normative references The following documents, i
15、n whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO/IEC Guide 65, General require
16、ments for bodies operating product certification systems ISO/IEC 17065, Conformity assessment Requirements for bodies certifying products, processes and services ISO 1954, Plywood Tolerances on dimensions ISO 2074, Plywood Vocabulary ISO 2426-2, Plywood Classification by surface appearance Part 2: H
17、ardwood ISO 2426-3, Plywood Classification by surface appearance Part 3: Softwood ISO 9426, Wood-based panels Determination of dimensions of panels ISO 12460-1, Wood-based panels Determination of formaldehyde release Part 1: Formaldehyde emission by the 1-cubic-metre chamber method ISO 12460-3, Wood
18、-based panels Determination of formaldehyde release Part 3: Gas analysis method ISO 12460-4, Wood-based panels Determination of formaldehyde release Part 4: Desiccator method ISO 12465, Plywood Specifications ISO 12466-1, Plywood Bonding quality Part 1: Test methods ISO 12466-2, Plywood Bonding qual
19、ity Part 2: Requirements ISO 16978, Wood-based panels Determination of modulus of elasticity in bending and of bending strength ISO 16979, Wood-based panels Determination of moisture content ISO 16999, Wood-based panels Sampling and cutting of test pieces ISO 18775, Veneers Terms and definitions, de
20、termination of physical characteristics and tolerances ISO 2014 All rights reserved 1 ISO 13609:2014(E) 3 T erms a nd definiti ons For the purposes of this document, the terms and definitions in ISO 2074, ISO 12465, and ISO 18775 and the following apply. 3.1 core strip individual wood pieces with re
21、ctangular cross section which are assembled to form the solid core 4 Material requirement 4.1 Requirements for veneer The following requirements apply to veneer at the time of pressing. 4.1.1 Wood species Any wood species is permitted. Veneers shall be identified according to the species, species gr
22、oup, or mechanical properties. When veneers of different species are used to form a layer, these veneers shall be of similar mechanical and physical properties. 4.1.2 Thickness The thickness (t) of veneer shall be 0,55 mm t 6,0 mm. When veneers are used to cover a core, the thickness of veneers adja
23、cent to the core shall not be less than 1,5 mm. 4.1.3 Surface appearance The surface appearance of veneer shall be controlled. Surface appearance of the face layer shall satisfy the criteria defined for class II, as given in Table 1 in ISO 2426-2 or in Table 1 in ISO 2426-3. Back layer shall not be
24、more than 2 classes inferior to the face layer. If required, veneer classification of other layers shall be carried out in accordance with the limitations defined in Annex A of ISO 12465. 4.1.4 Joint Veneers jointed in width are allowed. If there is a joint in length, it shall be bonded as finger jo
25、inting or scarf jointing. End joint is not permitted on face ply. 4.1.5 Direction The grain of the veneer directly applied on the core strip shall be perpendicular to the grain of the core. 4.2 Requirements for plywood The following requirements apply to plywood at the time of pressing. 4.2.1 Wood s
26、pecies Any wood species is permitted. Plywood used for face and back layer shall be of similar mechanical and physical properties.2 ISO 2014 All rights reserved ISO 13609:2014(E) 4.2.2 Thickness The thickness of plywood shall be greater than or equal to 3,0 mm. 4.2.3 Surface appearance The surface a
27、ppearance of plywood shall be controlled. Surface appearance of the face layer shall satisfy the criteria defined for class II, as given in Table 1 in ISO 2426-2 or in Table 1 in ISO 2426-3. 4.2.4 Joint Jointed plywood is not permitted when used for surface layers. 4.2.5 Direction The direction of t
28、he grain of the veneer glued to the core shall be determined by considering the veneer lay-up of the plywood. 4.3 Requirements for core strip 4.3.1 Species Within a panel, all strips should be made from the same species. If there are more than one species, similar physical property is required. Othe
29、rwise, there shall be an agreement between involved parties. 4.3.2 Dimensions For the blockboard, the width (w) of the strip shall be 7 mm w 30 mm. For the battenboard, the width (w) of the strip shall be 30 mm w 76 mm. There is no limitation for strip length. The thickness of each strip should not
30、be less than 8,0 mm within a tolerance of 0,1 mm. Each piece of core strip shall be sized in thickness, individually or after assembly into the core plate. The ratio of width to thickness of each strip should not exceed 3,5. 4.3.3 Quality of core strip Each piece of core strip shall meet the quality
31、 requirements as follows: for sound knot, the maximum of diameter shall not exceed 25 mm or 80 % of the width of the strip, whichever is lesser; for intergrown knot or encased knot, the maximum diameter shall not exceed 15 mm or half of the width of the strip, whichever is lesser; for gum pocket, re
32、sin pocket, and bark pocket, the width shall not exceed 3 mm; for want or wane, the width shall not exceed 5 mm on the core face and the length shall not exceed 20 mm. 4.3.4 Moisture content Moisture content of the core strip shall be between 8 % and 12 % at the time of assembling. ISO 2014 All righ
33、ts reserved 3 ISO 13609:2014(E) 4.4 Requirements for core strip assembly 4.4.1 Direction of core strip The length direction of the strip shall be parallel or nearly parallel to the long edge of the board. 4.4.2 Jointing assembly in the length direction of core strip For jointed strip, following crit
34、eria shall be satisfied: any joint seam shall not be wider than 1 mm; the distance between any two adjacent seams shall not be less than 50 mm; for finger jointing or scarf jointing, the slope of the scarves shall not be steeper than 1 in 8. 4.4.3 Jointing assembly in the width direction of core str
35、ip In width direction, the core strips could be glued or unglued and the following criteria shall be satisfied: gap between solid wood strips shall not exceed 1,5 mm; in any 1 000 mm in the width direction of core strip, the sum of gaps shall not exceed 6 mm. 4.4.4 Thickness and tolerance Determinat
36、ion of thickness and tolerance of the core plate shall be carried out in accordance with ISO 9426 and ISO 1954. 4.5 Adhesives Except the adhesive used for bonding core strips in width direction, the adhesive used for combination with the veneers, plywood, and core shall provide the board performance
37、 necessary to satisfy the requirements for bond type as specified in Clause 7 in this International Standard. Bonding strength and durability of the adhesives applied to finger jointing and scarf jointing veneers and strips shall not be inferior to the criteria defined above. Any glue failure is not
38、 permitted in transverse modulus of rupture test. 5 Panel lay-up and manufacturing requirements The lay-up shall be controlled, including the thickness, orientation, wood species, and quality of veneers. NOTE Any other characteristics can be required and added as in contract, if necessary. 6 General
39、 requirements 6.1 Dimensions and tolerances Unless stated otherwise by the manufacturer, dimensions of blockboard or battenboard are determined in the conditions given in ISO 9426, and tolerances applied in the conditions given in ISO 1954. 6.2 Classification b y surfac e appear anc e If required, c
40、lassification by surface appearance shall be carried out in accordance with ISO 2426-2 and ISO 2426-3.4 ISO 2014 All rights reserved ISO 13609:2014(E) 6.3 Requirements of physical and mechanical properties 6.3.1 Moisture content Sampling and cutting of test pieces shall be carried out in accordance
41、with ISO 16999. Determination of moisture content of board shall be carried out in according with ISO 16979. Unless specified otherwise, moisture content of blockboard and battenboard shall be between 8,0 % and 14,0 % when dispatched from the factory. 6.3.2 Mechanical properties If required, the mod
42、ulus of elasticity in bending and bending strength in both panel directions shall be provided in accordance with ISO 16978. 7 Bonding quality The bonding quality shall be established by testing in accordance with the requirements of ISO 12466-1 and classified in accordance with ISO 12466-2. for bloc
43、kboards and battenboards used in dry conditions, the bonding quality shall comply with the requirements of bonding class 1 of ISO 12466-2; for blockboards and battenboards used in dry/humid conditions, the bonding quality shall comply with the requirements of bonding class 2 of ISO 12466-2; for bloc
44、kboards and battenboards used in high-humid/exterior conditions, the bonding quality shall comply with the requirements of bonding class 3 of ISO 12466-2. 8 Formaldehyde release requirements Determination the formaldehyde release shall be carried out in accordance with ISO 12460-1 as the reference m
45、ethod, and ISO 12460-3 or ISO 12460-4 for factory production control. NOTE If factory production control methods are employed to determine formaldehyde release, a correlation between the utilized method and the1-cubic-meter chamber method as in ISO 12460-1 shall be established. Table 1 Limit of form
46、aldehyde release Characteristic Test method Requirement Formaldehyde release ISO 12460-1 0,124 mg/m 3 9 Other characteristics Other characteristics, such as reaction to fire, insect resistance, and fungi resistance, can be determined and expressed to the corresponding national standards or regulatio
47、ns, if necessary. 10 Conformances a) Blockboards and battenboards conforming to this International Standard shall be manufactured under a quality system which includes factory production and quality control with internal auditing. b) External auditing of the factory quality control. NOTE The bodies
48、certifying the quality-control system should follow the requirements of ISO/IEC 17065:2012 or ISO/IEC Guide 65:1996. ISO 2014 All rights reserved 5 ISO 13609:2014(E) 11 Mar king , identifica tion, and documentat ion The marking and the accompanying information shall be placed on the product itself,
49、on a label attached to it, on its packaging, or in the accompanying commercial documents with the following information: the reference to this International Standard; the name (or logo) or code of the manufacturer; species, or mechanical/structural property identifications; the bonding class; the formaldehyde release; reference to the quality system; the nominal dimensions, in millimetres; and optionally the quality label and the certificati
