ASTM-D4933 2021

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D4933-16(2021) Standard Guide for Moisture Conditioning of Wood and Wood-Based Materials

Published By	Publication Date	Number of Pages
ASTM	2021

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Categories: 79.060.01 - Wood-based panels in general, ASTM

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Description

ASTM D4933-16-Reapproved2021

Active Standard: Standard Guide for Moisture Conditioning of Wood and Wood-Based Materials

ASTM D4933

Scope

1.1 This 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.

1.2 The 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.

1.3 The 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.

1.4 This 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.

Keywords

equilibrium moisture content; moisture conditioning; moisture content; wood; wood-based materials ;

ICS Code

ICS Number Code 79.060.01 (Wood-based panels in general)

DOI: 10.1520/D4933-16R21

Additional information

Standard Title	D4933-16(2021) Standard Guide for Moisture Conditioning of Wood and Wood-Based Materials
Published Code	ASTM
Publication Date	2021
ICS Codes	79.060.01 - Wood-based panels in general