ASTM D4426-01(2021)
(Test Method)Standard Test Method for Determination of Percent Nonvolatile Content of Liquid Phenolic Resins Used for Wood Laminating
Standard Test Method for Determination of Percent Nonvolatile Content of Liquid Phenolic Resins Used for Wood Laminating
SIGNIFICANCE AND USE
5.1 This test method is intended as a fast and economical determination of the nonvolatile content of liquid phenolic resins used for wood laminating and is useful for general comparative purposes. For greater precision and accuracy, Test Method D1582 is recommended.
SCOPE
1.1 This test method covers the recommended procedure for the determination of the nonvolatile or total solids content of liquid phenolic resins used for wood laminating.
1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
1.3 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.
General Information
- Status
- Published
- Publication Date
- 31-Mar-2021
- Technical Committee
- D14 - Adhesives
- Drafting Committee
- D14.30 - Wood Adhesives
Relations
- Effective Date
- 01-Jul-2012
- Effective Date
- 01-May-2012
- Effective Date
- 01-Dec-2011
- Effective Date
- 01-Apr-2011
- Effective Date
- 01-Jan-2011
- Effective Date
- 01-Oct-2008
- Effective Date
- 15-Aug-2008
- Effective Date
- 01-Mar-2008
- Effective Date
- 01-Dec-2006
- Effective Date
- 01-Apr-2005
- Effective Date
- 01-Apr-2005
- Effective Date
- 01-Dec-2004
- Effective Date
- 01-Apr-2004
- Effective Date
- 01-Apr-2004
- Effective Date
- 10-May-2003
Overview
ASTM D4426-01(2021) is the standard test method for the determination of percent nonvolatile content in liquid phenolic resins used for wood laminating. Developed by ASTM International, this standard provides a fast, economical procedure to measure the total solids content of phenolic resin adhesives, essential for quality control and comparative analysis in the wood laminating industry. Adhering to this method ensures consistency and reliability when specifying, manufacturing, and utilizing phenolic resins in wood lamination applications.
Key Topics
- Nonvolatile Content Measurement: The standard outlines procedures for determining the amount of nonvolatile (solid) residue after oven-drying a known amount of liquid phenolic resin. This measurement serves as an indicator of the resin’s composition and suitability for lamination processes.
- Sample Preparation and Handling: Detailed guidelines are given for preparing sample dishes, taking representative samples, and ensuring uniformity in resin mixing to achieve accurate results.
- Testing Procedure: The test involves weighing, oven-drying, and re-weighing resin samples to assess weight loss from volatile components, then calculating the percent nonvolatile content.
- Equipment Requirements: Includes specifications for required apparatus such as aluminum foil dishes, convection oven, analytical balance, desiccator, hotplate, and pipettes, emphasizing the importance of standardized equipment and procedures.
- Result Reporting and Repeatability: Provides instructions for calculating and reporting results, as well as criteria for test repeatability and acceptability, ensuring the method's suitability for comparative assessments.
Applications
ASTM D4426-01(2021) plays a vital role in:
- Quality Control: Used by manufacturers and laboratories to quickly verify the nonvolatile content of phenolic resins, which directly influences the adhesive’s performance in wood laminates.
- Research & Development: Facilitates comparative studies of different resin formulations by offering a standard procedure for solids content analysis.
- Wood Laminate Manufacturing: Enables adhesive producers and wood product manufacturers to ensure the correct resin composition, essential for strong and reliable lamination.
- Supplier Compliance: Assists in confirming that supplied or newly developed phenolic resins meet contractual or specification requirements related to solids content.
- Regulatory and Safety Compliance: By standardizing solids determination, organizations can efficiently demonstrate product reliability and safety in accordance with international guidelines.
Related Standards
- ASTM D907: Standard Terminology of Adhesives - Provides definitions of key terms used in adhesive testing, including those referenced in D4426.
- ASTM D1582: Test Method for Nonvolatile Content of Liquid Phenol, Resorcinol, and Melamine Adhesives - Recommended when higher precision and accuracy in measuring nonvolatile content are required.
- ISO and WTO Principles: ASTM D4426-01(2021) is developed following internationally recognized standardization principles, supporting global acceptance and regulatory compliance.
By adhering to ASTM D4426-01(2021), resin manufacturers and wood laminating operations benefit from a standardized, reliable method for assessing the nonvolatile content of phenolic resins-critical for adhesive performance, product consistency, and industry competitiveness. This standard underlines the importance of precise, repeatable measurements in ensuring product quality throughout the wood lamination sector.
Keywords: ASTM D4426, phenolic resin, nonvolatile content, total solids, wood laminating, adhesive quality, standard test method, resin testing, ASTM standards, wood adhesives.
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Frequently Asked Questions
ASTM D4426-01(2021) is a standard published by ASTM International. Its full title is "Standard Test Method for Determination of Percent Nonvolatile Content of Liquid Phenolic Resins Used for Wood Laminating". This standard covers: SIGNIFICANCE AND USE 5.1 This test method is intended as a fast and economical determination of the nonvolatile content of liquid phenolic resins used for wood laminating and is useful for general comparative purposes. For greater precision and accuracy, Test Method D1582 is recommended. SCOPE 1.1 This test method covers the recommended procedure for the determination of the nonvolatile or total solids content of liquid phenolic resins used for wood laminating. 1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only. 1.3 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.
SIGNIFICANCE AND USE 5.1 This test method is intended as a fast and economical determination of the nonvolatile content of liquid phenolic resins used for wood laminating and is useful for general comparative purposes. For greater precision and accuracy, Test Method D1582 is recommended. SCOPE 1.1 This test method covers the recommended procedure for the determination of the nonvolatile or total solids content of liquid phenolic resins used for wood laminating. 1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only. 1.3 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.
ASTM D4426-01(2021) is classified under the following ICS (International Classification for Standards) categories: 83.080.10 - Thermosetting materials. The ICS classification helps identify the subject area and facilitates finding related standards.
ASTM D4426-01(2021) has the following relationships with other standards: It is inter standard links to ASTM D907-12a, ASTM D907-12, ASTM D907-11a, ASTM D1582-98(2011), ASTM D907-11, ASTM D907-08b, ASTM D907-08a, ASTM D907-08, ASTM D907-06, ASTM D907-05, ASTM D907-05e1, ASTM D907-04a, ASTM D907-04, ASTM D1582-98(2004), ASTM D907-03. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
ASTM D4426-01(2021) is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
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.
Designation: D4426 − 01 (Reapproved 2021)
Standard Test Method for
Determination of Percent Nonvolatile Content of Liquid
Phenolic Resins Used for Wood Laminating
This standard is issued under the fixed designation D4426; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope 5. Significance and Use
1.1 This test method covers the recommended procedure for
5.1 This test method is intended as a fast and economical
the determination of the nonvolatile or total solids content of determination of the nonvolatile content of liquid phenolic
liquid phenolic resins used for wood laminating.
resins used for wood laminating and is useful for general
comparative purposes. For greater precision and accuracy, Test
1.2 The values stated in SI units are to be regarded as the
Method D1582 is recommended.
standard. The values given in parentheses are for information
only.
6. Apparatus
1.3 This standard does not purport to address all of the
6.1 Disposable Aluminum Foil Dishes, 60-mm (2.4-in.)
safety concerns, if any, associated with its use. It is the
diameter by 16-mm (0.60-in.) depth.
responsibility of the user of this standard to establish appro-
priate safety, health, and environmental practices and deter-
NOTE 1—Aglass dish may be used if the pH of the resin is greater than
mine the applicability of regulatory limitations prior to use.
ten.
1.4 This international standard was developed in accor-
6.2 Desiccator, charged with Drierite or equivalent desic-
dance with internationally recognized principles on standard-
cant.
ization established in the Decision on Principles for the
6.3 Mechanical Convection Oven.
Development of International Standards, Guides and Recom-
mendations issued by the World Trade Organization Technical
6.4 Analytical Balance, accurate to 60.1 mg (0.000002 lb).
Barriers to Trade (TBT) Committee.
6.5 Eye Droppers, or Dropping Pipettes, 2-mL capacity.
2. Referenced Documents
6.6 Anemometer.
2.1 ASTM Standards:
6.7 Stainless Steel Trays, fabricated 30 gauge, 83 by 250
D907 Terminology of Adhesives
mm (3.25 by 9.8 in.), with 19-mm (0.75-in.) sides and open
D1582 Test Method for Nonvolatile Content of Liquid
ends.
Phenol, Resorcinol, and Melamine Adhesives
6.8 Modified Oven Shelves, fitted with fabricated 18-gauge
3. Terminology
19 by 19-mm (0.75 by 0.75-in.) stainless steel angle stop
positioned 108 mm (4.25 in.) from back edge. Shelf-stop
3.1 Definitions—Many of the terms in this test method are
ensures consistent solids dish placement and prevents place-
defined in Terminology D907.
ment at the rear of the oven where airflow is erratic.
4. Summary of Test Method
6.9 Laboratory Hotplate, with heating capacity to 270°C
4.1 A weighed specimen is oven-dried, cooled in a
(518°F).
desiccator, and weighed. The percent nonvolatile content is
calculated, based on the amount remaining.
7. Oven Setup and Periodic Check Specifications
7.1 Specifications:
This test method is under the jurisdiction of ASTM Committee D14 on
7.1.1 Intake Port—6.4 mm (0.25 in.) open.
Adhesives and is the direct responsibility of Subcommittee D14.30 on Wood
Adhesives.
7.1.2 Exhaust Port—6.4 mm (0.25 in.) open.
Current edition approved April 1, 2021. Published April 2021. Originally
7.1.3 Internal Airflow—91.4 6 1 m/min (300 6 3 ft/min) at
approved in 1984. Last previous edition approved in 2013 as D4426 – 01 (2013).
40°C (104°F).
DOI: 10.1520/D4426-01R21.
For referenced ASTM standards, visit the ASTM website, www.astm.org, or 7.1.4 Temperature—125 6 1°C (257 6 2°F).
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
7.2 A 6.4-mm (0.25-in.) metal spacer is a convenient tool
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. for setting port openings.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
D4426 − 01 (2021)
7.3 MeasurewithDavis-typeanemometerplacedascloseas 10.8 Remove the dishes with the dried specimens and place
possible to the geometric center of the cavity with the door in a desiccator to cool for at least 5, but not more than 15 min.
shut.
10.9 Whencool,weigheachspecimenasrapidlyaspossible
7.4 Set the oven temperature at 125°C (257°F) and record to the nearest 0.1 mg (0.000002 lb). Inspect each specimen
the actual temperature for a period of 2 h. The control range visually at the time of weighing. If any of the three specimens
shall be
...
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