ASTM D5266 - 13

    Standard Practice for Estimating the Percentage of Wood Failure in Adhesive Bonded Joints

    Active Standard ASTM D5266 | Developed by Subcommittee: D14.30

    Book of Standards Volume: 15.06


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    Significance and Use

    4.1 An estimate of wood failure is one of the principal means for determining the quality of an adhesively bonded wood joint.

    4.2 When evaluated after a water soaking, water soaking and drying, or boiling and drying, the percentage of estimated wood failure is an important criterion for qualifying adhesives for use in plywood, laminated structural timber, adhesively bonded wood products and for daily quality control of the processes for manufacturing various adhesively bonded wood products including but not limited to plywood and laminated timbers. Standards that use the percentage of wood failure are included in Section 2.

    4.3 In plywood manufactured from North American softwood species, the percentage of wood failure of Test Method D906 specimens, tested wet after either a vacuum-pressure soak-dry or boil-dry treatment, correlates with the percentage of panels that delaminate in outdoor exposure without protection.7

    4.4 Similar correlations for other products have not been published.

    1. Scope

    1.1 This practice provides procedures for estimating the percentage of wood failure that occurs in plywood-shear, block-shear, finger joint test specimens, or any other bondline involving wood.

    1.2 The values stated in SI units are to be regarded as the standard. The values in parentheses are provided for information only.

    1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.


    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    D905 Test Method for Strength Properties of Adhesive Bonds in Shear by Compression Loading

    D906 Test Method for Strength Properties of Adhesives in Plywood Type Construction in Shear by Tension Loading

    D2559 Specification for Adhesives for Bonded Structural Wood Products for Use Under Exterior Exposure Conditions

    D4688 Test Method for Evaluating Structural Adhesives for Finger Jointing Lumber

    D5572 Specification for Adhesives Used for Finger Joints in Nonstructural Lumber Products

    D5751 Specification for Adhesives Used for Laminate Joints in Nonstructural Lumber Products

    American National Standards

    ANSIA190.1-2012 American National Standard for Wood Products--Structural Glued, Laminated Timber

    ANSI/HPVAHP-1-2009 American National Standard for Hardwood and Decorative Plywood Available from Hardwood Plywood & Veneer Association, 1825 Michael Faraday Drive, P.O. Box 2789, Reston, VA 20190, www.hpva.org.

    Other Documents

    AmericanPlywoodAssoc

    CSAO112.9 Evaluation of Adhesives for Structural Wood Products (Exterior Exposure)

    GeneralTechnicalRepo Wood Handbook: Wood as an Engineering Material, Madison, WI: U. S. Department of Agriculture, Forest Service, Forest Products Laboratory, 508 p. 2010.

    InspectionBureauMemo Interpretation of Wood Failure

    PS1 U.S. Product Standard for Construction and Industrial Plywood


    ICS Code

    ICS Number Code 83.180 (Adhesives)

    UNSPSC Code

    UNSPSC Code 11122001(Plywood)


    DOI: 10.1520/D5266

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