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  • ASTM D 7857 : 2016

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    Standard Test Method for Evaluating the Flexural Properties and Internal Bond Strength of Fire-Retarded Mat-Formed Wood Structural Composite Panels Exposed to Elevated Temperatures

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  01-03-2016

    Publisher:  American Society for Testing and Materials

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    Abstract - (Show below) - (Hide below)

    CONTAINED IN VOL. 04.10, 2016 Defines an understanding of the respective contributions of the many wood material, fireretardant, resin and processing variables, and their interactions, upon the mechanical properties of fire-retarded mat-formed wood structural composite (FRSC) panels as they affect flexural and internal bond (IB) performance and as they are often affected later during exposure to high temperature and humidity.

    Scope - (Show below) - (Hide below)

    1.1This test method is designed as a laboratory screening test. It is intended to establish an understanding of the respective contributions of the many wood material, fire-retardant, resin and processing variables, and their interactions, upon the mechanical properties of fire-retarded mat-formed wood structural composite (FRSC) panels as they affect flexural and internal bond (IB) performance and as they are often affected later during exposure to high temperature and humidity. Once the critical material and processing variables have been identified through these small-specimen laboratory screening tests, additional testing and evaluation shall be required to determine the effect of the treatment on the panel structural properties and the effect of exposure to high temperature on the properties of commercially produced FRSC panels. In this test method, treated structural composite panels are exposed to a temperature of 77°C (170°F) and at least 50% relative humidity.

    1.2The purpose of the preliminary laboratory-based test method is to compare the flexural properties and IB strength of FRSC panels relative to untreated structural composite panels with otherwise identical manufacturing parameters. The results of tests conducted in accordance with this test method provide a reference point for estimating strength temperature relationships for preliminary purposes. They establish a starting point for subsequent full-scale testing of commercially produced FRSC panels.

    1.3This test method does not cover testing and evaluation requirements necessary for product certification and qualification or the establishment of design value adjustment factors for FRSC panels.

    Note 1:One potentially confounding limitation of this preliminary screening test method is that it may be conducted with laboratory panels that may not necessarily represent commercial quality panels. A final qualification program should likely be conducted using commercial quality panels and the scope of the review should include evaluation of the effects of the treatment and elevated temperature exposure on all relevant mechanical properties of the commercially produced panel.

    1.4This test method is not intended for use with structural plywood.

    1.5The values stated in SI units are to be regarded as standard. The values given in parentheses are mathematical conversions to inch-pound units that are provided for information only and are not considered standard.

    1.6This 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.

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    Committee D 07
    Document Type Test Method
    Publisher American Society for Testing and Materials
    Status Current

    Standards Referencing This Book - (Show below) - (Hide below)

    ASTM D 1165 : 1980 : R1994 : EDT 1 Standard Nonmenclature of Domestic Hardwoods and Softwoods (Withdrawn 2002)
    ASTM D 1165 : 2007 Standard Nomenclature of Commercial Hardwoods and Softwoods
    ASTM D 9 : 2020 Standard Terminology Relating to Wood and Wood-Based Products
    ASTM D 5516 : 2009 Standard Test Method for Evaluating the Flexural Properties of Fire-Retardant Treated Softwood Plywood Exposed to Elevated Temperatures
    ASTM D 6305 : 2008 Standard Practice for Calculating Bending Strength Design Adjustment Factors for Fire-Retardant-Treated Plywood Roof Sheathing
    ASTM D 198 : 2015 : REDLINE Standard Test Methods of Static Tests of Lumber in Structural Sizes
    ASTM D 1037 : 2006 Standard Test Methods for Evaluating Properties of Wood-Base Fiber and Particle Panel Materials
    ASTM D 5516 : 2000 Standard Test Method for Evaluating the Flexural Properties of Fire-Retardant Treated Softwood Plywood Exposed to Elevated Temperatures
    ASTM D 1037 : 2012 Standard Test Methods for Evaluating Properties of Wood-Base Fiber and Particle Panel Materials
    ASTM D 5516 : 2001 Standard Test Method for Evaluating the Flexural Properties of Fire-Retardant Treated Softwood Plywood Exposed to Elevated Temperatures
    ASTM E 2768 : 2011 : R2018 Standard Test Method for Extended Duration Surface Burning Characteristics of Building Materials (30 min Tunnel Test)
    ASTM D 2915 : 2017 Standard Practice for Sampling and Data-Analysis for Structural Wood and Wood-Based Products
    ASTM D 6305 : 2008 : R2015 : EDT 1 Standard Practice for Calculating Bending Strength Design Adjustment Factors for Fire-Retardant-Treated Plywood Roof Sheathing
    ASTM D 9 : 2012 : REDLINE Standard Terminology Relating to Wood and Wood-Based Products
    ASTM D 5516 : 2003 Standard Test Method for Evaluating the Flexural Properties of Fire-Retardant Treated Softwood Plywood Exposed to Elevated Temperatures
    NFPA 703 : 2018 FIRE RETARDANT-TREATED WOOD AND FIRE-RETARDANT COATINGS FOR BUILDING MATERIALS
    ASTM D 2395 : 1993 : R1997 : EDT 2 Standard Test Methods for Specific Gravity of Wood and Wood-Based Materials
    ASTM D 6305 : 1998 : EDT 1 Standard Practice for Calculating Bending Strength Design Adjustment Factors for Fire-Retardant-Treated Plywood Roof Sheathing
    ASTM D 5516 : 2017 Standard Test Method for Evaluating the Flexural Properties of Fire-Retardant Treated Softwood Plywood Exposed to Elevated Temperatures
    ASTM E 176 : 2021 : REV A : EDT 1 Standard Terminology of Fire Standards
    ASTM E 176 : 2018 : REV A : EDT 1 Standard Terminology of Fire Standards
    ASTM D 5516 : 2001 : REV A Standard Test Method for Evaluating the Flexural Properties of Fire-Retardant Treated Softwood Plywood Exposed to Elevated Temperatures
    ASTM E 84 : 2021 Standard Test Method for Surface Burning Characteristics of Building Materials
    ASTM D 198 : 2021 Standard Test Methods of Static Tests of Lumber in Structural Sizes
    ASTM E 84 : 2022 Standard Test Method for Surface Burning Characteristics of Building Materials
    ASTM D 5516 : 2018 Standard Test Method for Evaluating the Flexural Properties of Fire-Retardant Treated Softwood Plywood Exposed to Elevated Temperatures
    ASTM D 3043 : 2017 Standard Test Methods for Structural Panels in Flexure
    ASTM D 3043 : 2000 Standard Test Methods for Testing Structural Panels in Flexure
    ASTM D 2395 : 2017 : R2022 Standard Test Methods for Density and Specific Gravity (Relative Density) of Wood and Wood-Based Materials
    ASTM D 2395 : 1993 : R1997 : EDT 1 Standard Test Methods for Specific Gravity of Wood and Wood-Based Materials
    ASTM D 1165 : 2018 Standard Nomenclature of Commercial Hardwoods and Softwoods
    ASTM D 2395 : 2007 : REV A Standard Test Methods for Specific Gravity of Wood and Wood-Based Materials
    ASTM D 6305 : 2002 : EDT 1 Standard Practice for Calculating Bending Strength Design Adjustment Factors for Fire-Retardant-Treated Plywood Roof Sheathing
    ASTM D 3043 : 2000 : EDT 1 Standard Test Methods for Testing Structural Panels in Flexure
    ASTM D 6305 : 2021 Standard Practice for Calculating Bending Strength Design Adjustment Factors for Fire-Retardant-Treated Plywood Roof Sheathing
    ASTM E 84 : 2020 Standard Test Method for Surface Burning Characteristics of Building Materials
    ASTM E 84 : 2021 : REV A Standard Test Method for Surface Burning Characteristics of Building Materials
    ASTM D 1037 : 1999 Standard Test Methods for Evaluating Properties of Wood-Base Fiber and Particle Panel Materials
    ASTM E 176 : 2021 Standard Terminology of Fire Standards
    ASTM D 2395 : 2017 Standard Test Methods for Density and Specific Gravity (Relative Density) of Wood and Wood-Based Materials
    ASTM D 2915 : 2003 Standard Practice for Evaluating Allowable Properties for Grades of Structural Lumber
    ASTM D 2915 : 2017 : R2022 Standard Practice for Sampling and Data-Analysis for Structural Wood and Wood-Based Products
    ASTM D 1037 : 2006 : REV A Standard Test Methods for Evaluating Properties of Wood-Base Fiber and Particle Panel Materials
    ASTM D 1037 : 1978 Standard Methods of Evaluating the Properties of Wood-Base Fiber and Particle Panel Materials
    ASTM E 176 : 2018 : REV A : EDT 2 Standard Terminology of Fire Standards
    ASTM D 198 : 2021 : REV A Standard Test Methods of Static Tests of Lumber in Structural Sizes
    ASTM D 2395 : 2014 : EDT 1 Standard Test Methods for Density and Specific Gravity (Relative Density) of Wood and Wood-Based Materials
    ASTM D 2395 : 2017 : REDLINE Standard Test Methods for Density and Specific Gravity (Relative Density) of Wood and Wood-Based Materials
    ASTM D 2395 : 2014 Standard Test Methods for Density and Specific Gravity (Relative Density) of Wood and Wood-Based Materials
    ASTM D 1037 : 2012 : REDLINE Standard Test Methods for Evaluating Properties of Wood-Base Fiber and Particle Panel Materials
    ASTM D 198 : 2022 Standard Test Methods of Static Tests of Lumber in Structural Sizes
    ASTM D 2395 : 2006 Standard Test Methods for Specific Gravity of Wood and Wood-Based Materials
    ASTM D 6305 : 2002 Standard Practice for Calculating Bending Strength Design Adjustment Factors for Fire-Retardant-Treated Plywood Roof Sheathing
    ASTM D 5516 : 2002 Standard Test Method for Evaluating the Flexural Properties of Fire-Retardant Treated Softwood Plywood Exposed to Elevated Temperatures
    ASTM D 2395 : 2007 : REV A : EDT 1 Standard Test Methods for Specific Gravity of Wood and Wood-Based Materials
    ASTM D 1165 : 2003 Standard Nonmenclature of Domestic Hardwoods and Softwoods
    ASTM D 3043 : 1987 : R1993 : EDT 1 Standard Methods of Testing Structural Panels in Flexure
    ASTM D 1165 : 2013 Standard Nomenclature of Commercial Hardwoods and Softwoods
    ASTM E 2768 : 2011 Standard Test Method for Extended Duration Surface Burning Characteristics of Building Materials (30 min Tunnel Test)
    ASTM D 198 : 2022 : REV A Standard Test Methods of Static Tests of Lumber in Structural Sizes
    ASTM D 2915 : 2010 Practice for Sampling and Data-Analysis for Structural Wood and Wood-Based Products
    ASTM D 2915 : 1998 : EDT 1 Standard Practice for Evaluating Allowable Properties for Grades of Structural Lumber
    ASTM D 2915 : 2017 : REDLINE Standard Practice for Sampling and Data-Analysis for Structural Wood and Wood-Based Products
    ASTM E 176 : 2021 : REV A Standard Terminology of Fire Standards
    ASTM D 2915 : 2002 Standard Practice for Evaluating Allowable Properties for Grades of Structural Lumber
    ASTM D 2395 : 2002 Standard Test Methods for Specific Gravity of Wood and Wood-Based Materials
    ASTM D 198 : 2015 Standard Test Methods of Static Tests of Lumber in Structural Sizes
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