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ISO DIS 27769

2015 Edition, December 15, 2015

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WOOD-BASED PANELS - WET-PROCESS FIBREBOARD



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Superseded By: ISO 27769

Additional Comments:
NOW A PUBLISHED STD * SEE ISO 27769
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Description / Abstract:

This International Standard provides a classification matrix and related mandatory tests for two types of wetprocess fibreboard made from wood: softboards and hardboards and specifies the relevant manufacturing property requirements.

NOTE 1 Wet-process fibreboards are divided into three types: softboards, medium boards and hardboards. This standard is not applicable to medium boards.

NOTE 2 Fibreboards are broadly divided into two groups based on the manufacturing process, namely the dry-process group and the wet-process group. This International Standard is not applicable to dry-process fibreboards (see ISO 16895).

NOTE 3 The values listed in this International Standard relate to product properties used to classify fibreboards into one of the different types. The values are not characteristic values to be used for design purposes. When fibreboard is classified as load-bearing and nominated for structural applications, characteristic strength and stiffness values are established based upon testing in accordance with ISO 16572 or equivalent ASTM or EN Standards. Alternatively, for specific load-bearing applications (e.g. walls, roofs, floors and I-joist webs), the load-bearing fibreboard would meet the specific performance requirements for that intended application
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