ASTM D7770 - 12

    Standard Test Method for Collection of Volatile Organic Compounds Emitted During Simulated Manufacturing of Engineered Wood Products Via a Sealed Caul Plate Method

    Active Standard ASTM D7770 | Developed by Subcommittee: D07.03

    Book of Standards Volume: 04.10


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    Significance and Use

    5.1 Compliance with national and local air emission regulations create the need to determine volatile organic compound (VOC) emissions from adhesive-bonded structural wood products.

    5.2 This method has been used to estimate the types and amounts of certain VOC that are emitted during production operations.

    5.3 The method was originally developed to measure the methanol, formaldehyde, and phenol emitted in a laboratory setting that is designed to simulate the hot pressing, and post pressing conditions of hot stacking and cool down period for exterior plywood and laminated veneer lumber (LVL) processes. This current method generalizes the concept for adhesive-bonded wood products.

    1. Scope

    1.1 This test method provides a method for the collection of volatile organic compounds (VOC) that are emitted during the manufacture of engineered wood products using a laboratory environment designed to simulate a defined production process. The method is used for the determination of the amounts of methanol, formaldehyde, phenol and other VOC that may be emitted during conditions designed to simulate production such as hot pressing, the conditions of ‘hot stacking’ and ‘cool-down’ that occurs post-press.

    1.2 The test method was originally developed to measure certain VOC from exterior plywood meeting Voluntary Product Standard PS 1–09 and structural composite lumber products such as laminated veneer lumber (LVL) meeting Specification D5456. Both of these product types are typically manufactured using phenol-formaldehyde resin based adhesives that meet Specification D2559.

    1.3 The test method is suitable for many types of wood products bonded with adhesives.

    1.4 This test method is specific for collecting VOC during simulated production of wood products and is not designed to determine general organic emissions from all indoor materials or sources.

    1.5 The values stated in SI units are to be regarded as standard. The values given in parentheses are for information only.

    1.6 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. Some specific hazards statements are given in Section 7 on Hazards.


    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

    D2145 Method of Test for Phenol Content of Phenol-Water Mixtures

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

    D4442 Test Methods for Direct Moisture Content Measurement of Wood and Wood-Base Materials

    D4933 Guide for Moisture Conditioning of Wood and Wood-Based Materials

    D5456 Specification for Evaluation of Structural Composite Lumber Products

    E346 Test Methods for Analysis of Methanol

    E1333 Test Method for Determining Formaldehyde Concentrations in Air and Emission Rates from Wood Products Using a Large Chamber

    Other Standards

    VoluntaryProductStan Structural Plywood


    ICS Code

    ICS Number Code 13.040.30 (Workplace atmospheres)

    UNSPSC Code

    UNSPSC Code 11122000(Engineered wood products)


    DOI: 10.1520/D7770-12

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