1、Designation:D777012(Reapproved 2019)Standard Test Method forCollection of Volatile Organic Compounds Emitted DuringSimulated Manufacturing of Engineered Wood Products Viaa Sealed Caul Plate Method1This standard is issued under the fixed designation D7770;the number immediately following the designat
2、ion indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This test method provides a method for th
3、e collection ofvolatile organic compounds(VOC)that are emitted during themanufacture of engineered wood products using a laboratoryenvironment designed to simulate a defined production pro-cess.The method is used for the determination of the amountsof methanol,formaldehyde,phenol and other VOC that
4、may beemitted during conditions designed to simulate production suchas hot pressing,the conditions of hot stacking and cool-down that occurs post-press.1.2 The test method was originally developed to measurecertain VOC from exterior plywood meeting Voluntary ProductStandard PS 109 and structural com
5、posite lumber productssuch as laminated veneer lumber(LVL)meeting SpecificationD5456.Both of these product types are typically manufacturedusing phenol-formaldehyde resin based adhesives that meetSpecification D2559.1.3 The test method is suitable for many types of woodproducts bonded with adhesives
6、.1.4 This test method is specific for collecting VOC duringsimulated production of wood products and is not designed todetermine general organic emissions from all indoor materialsor sources.1.5 The values stated in SI units are to be regarded asstandard.The values given in parentheses are for infor
7、mationonly.1.6 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety,health,and environmental practices and deter-mine the applicability of regulatory limitations prior
8、to use.Some specific hazards statements are given in Section 7 onHazards.1.7 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards,Guides and Reco
9、m-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2D2145 Method of Test for Phenol Content of Phenol-WaterMixtures(Withdrawn 1978)3D2559 Specification for Adhesives for Bonded StructuralWood Products for Use Under Ex
10、terior Exposure Condi-tionsD4442 Test Methods for Direct Moisture Content Measure-ment of Wood and Wood-Based MaterialsD4933 Guide for Moisture Conditioning of Wood andWood-Based MaterialsD5456 Specification for Evaluation of Structural CompositeLumber ProductsE346 Test Methods for Analysis of Metha
11、nol(Withdrawn2017)3E1333 Test Method for Determining Formaldehyde Concen-trations in Air and Emission Rates from Wood ProductsUsing a Large Chamber2.2 Other Standards:Voluntary Product Standard PS 109 Structural Plywood3.Terminology3.1 Definitions:3.1.1 target production processa set of specified ma
12、nufac-turing parameters that define the production of an adhesivebonded wood product.For the purposes of this standard,thoseparameters are designed to be representative of a specificproduction facility and are used to derive the test specimen.1This test method is under the jurisdiction of ASTM Commi
13、ttee D07 on Woodand is the direct responsibility of Subcommittee D07.03 on Panel Products.Current edition approved Oct.1,2019.Published November 2019.Originallyapproved in 2012.Last previous edition approved in 2012 as D777012.DOI:10.1520/D7770-12R19.2For referenced ASTM standards,visit the ASTM web
14、site,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3The last approved version of this historical standard is referenced onwww.astm.org.Copyright ASTM International,10
15、0 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recomm
16、endations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1 3.1.2 test specimena combination of defined wood ele-ments with or without applied adhesive that is exposed topressing and post pressing conditions in a defined laboratorysetting that is designed to simulate the Target ProductionProcess(see 3.1.1).3.1.3 VOCfor the purposes of this standard,the term VOCmeansthespecificvolatileorganiccompoundsofformaldehyde,methanol and phenol that are emitted from a tests
