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
Drafting Committee
Current Stage
Ref Project

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ASTM D4426-01(2021) - Standard Test Method for Determination of Percent Nonvolatile Content of Liquid Phenolic Resins Used for Wood Laminating
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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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