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ASTM D 4933 : 2016 : R2021

Current
Current

The latest, up-to-date edition.

Standard Guide for Moisture Conditioning of Wood and Wood-Based Materials
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

24-11-2021

1.1This guide covers standard procedures for conditioning and equilibrating wood and wood-based materials to constant moisture content. The procedures apply to solid wood, wood-based fiber and particulate materials and panels, and wood products containing adhesives. They are intended for use in research and development activities, testing laboratories, quality control, and for all other classes of producers and users. This guide includes background material on the importance of moisture content control, important definitions and technical data, possible types of apparatus, procedures, and the importance of conditioning time. Users should recognize that the necessary degree of precision and bias varies with the intentions of the users. Some research and testing, for example, might require very close control of moisture content, whereas control in an industrial storage facility might not require such close control. This guide offers procedures that include these different requirements.

1.2The values stated in SI units are to be regarded as standard. The values of temperature in degrees Fahrenheit given in Table X1.2 are mathematical conversions that are provided for information only and are not considered standard.

1.3The following safety hazards caveat pertains only to the procedure section, Section 6, of this guide. 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.4This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Committee
D 07
DocumentType
Guide
Pages
8
PublisherName
American Society for Testing and Materials
Status
Current
Supersedes

ASTM D 5456 : 2021 : EDT 1 Standard Specification for Evaluation of Structural Composite Lumber Products
ASTM D 5516 : 2018 Standard Test Method for Evaluating the Flexural Properties of Fire-Retardant Treated Softwood Plywood Exposed to Elevated Temperatures
ASTM D 6782 : 2019 Standard Test Methods for Standardization and Calibration of In-Line Dry Lumber Moisture Meters
ASTM D 4442 : 2020 Standard Test Methods for Direct Moisture Content Measurement of Wood and Wood-Based Materials
ASTM D 4444 : 2013 : R2018 Standard Test Method for Laboratory Standardization and Calibration of Hand-Held Moisture Meters
ASTM D 7770 : 2012(R2019) Standard Test Method for Collection of Volatile Organic Compounds Emitted During Simulated Manufacturing of Engineered Wood Products Via a Sealed Caul Plate Method
ASTM D 7247 : 2017 Standard Test Method for Evaluating the Shear Strength of Adhesive Bonds in Laminated Wood Products at Elevated Temperatures
ASTM D 7438 : 2020 Standard Practice for Field Calibration and Application of Hand-Held Moisture Meters
ASTM D 1666 : 2017 Standard Test Methods for Conducting Machining Tests of Wood and Wood-Base Panel Materials
ASTM D 7033 : 2014 Standard Practice for Establishing Design Capacities for Oriented Strand Board (OSB) Wood-Based Structural-Use Panels
ASTM D 1666 : 2022 Standard Test Methods for Conducting Machining Tests of Wood and Wood-Base Panel Materials
ASTM D 7033 : 2022 Standard Practice for Establishing Design Capacities for Oriented Strand Board (OSB) Wood-Based Structural-Use Panels

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