ASTM D1582-98

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: D 1582 – 98
Standard Test Method for
Nonvolatile Content of Liquid Phenol, Resorcinol, and
Melamine Adhesives
This standard is issued under the fixed designation D 1582; 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 (e) indicates an editorial change since the last revision or reapproval.
1. Scope 5. Apparatus
1.1 This test method covers the determination of nonvolatile 5.1 Petri Dish, 100 by 22 mm or its equivalent.
content or total solids of liquid phenol, resorcinol, and 5.2 Circulating-Air Oven, capable of maintaining tempera-
melamine adhesives with or without hardener (Note 1) added tures of 70 6 1°C, 105 6 1°C, and 150 6 1°C.
and containing high-boiling and low-boiling volatile organic
NOTE 2—Caution: A safety (explosion-proof) oven should be used
solvents or water, or both.
when volatile materials are likely to burn or explode.
NOTE 1—Some low molecular weight materials in the adhesive may be
5.3 Desiccator, with drying agent and tray.
lost if hardener is not used. When a hardener is used, it must be mixed in
5.4 Analytical Balance, accurate to 1 mg.
accordance with the manufacturer’s instructions.
6. Sampling
1.2 The values stated in SI units are to be regarded as the
standard.
6.1 Except in special cases, take a composite sample from
1.3 This standard does not purport to address all of the
three or more separate containers chosen at random. Also, take
safety concerns, if any, associated with its use. It is the
samples from containers which appear to be nonrepresentative
responsibility of the user of this standard to establish appro-
and test such samples separately. Place the samples immedi-
priate safety and health practices and determine the applica-
ately in airtight containers, filled to prevent excessive air space
bility of regulatory limitations prior to use. For specific
above the adhesive, and take precautions to reduce evaporation
precautions, see Note 2.
or drying to a minimum. Mix the adhesive in the container
thoroughly if there is a tendency for the materials to separate.
2. Referenced Documents
6.2 Test three specimens of each sample.
2.1 ASTM Standards:
7. Procedure
D 907 Terminology of Adhesives
7.1 70°C Drying Temperature Without Hardener:
3. Terminology
7.1.1 Place approximately 20 g of the adhesive in a covered
3.1 Definitions—Many of the terms in this test method are
weighing bottle.
defined in Terminology D 907.
7.1.2 Place approximately 10 g of fine, oven-dried quartz
sand in an open Petri dish, together with a small glass stirring
4. Summary of Test Method
rod, and weigh the dish, rod, and contents to the nearest 1 mg
4.1 Without Hardener—A weighed amount of adhesive and
on the analytical balance. Weigh out to the nearest 1 mg
quartz sand are oven-dried, cooled in a desiccator, and
approximately2gofthe adhesive by difference from the
weighed. The percent nonvolatile content is calculated based
weighing bottle, keeping the bottle covered as much as
on the amount remaining.
possible. Mix the adhesive and quartz sand intimately by
4.2 With Hardener—A weighed amount of mixed adhesive
means of the stirring rod and distribute uniformly over the
is oven dried, cooled in a desiccator, and weighed. The percent
bottom of the dish in as thin a layer as possible. Condition the
nonvolatile content is calculated based on the amount remain-
specimen at 23 6 1°C for at least 16 h.
ing.
7.1.3 Place the dish with the rod and contents in the oven at
70 6 1°C until a constant weight is reached.
7.1.
...