ASTM C681-99
(Test Method)Standard Test Method for Volatility of Oil- and Resin-Based, Knife-Grade, Channel Glazing Compounds
Standard Test Method for Volatility of Oil- and Resin-Based, Knife-Grade, Channel Glazing Compounds
SCOPE
1.1 This test method covers the determination of the volatility of oil- and resin-based, knife-grade, channel glazing compounds.
1.2 The values stated in inch-pound 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 and health practices and determine the applicability of regulatory limitations prior to use.
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Standards Content (Sample)
NOTICE: This standard has either been superceded and replaced by a new version or discontinued.
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Designation: C 681 – 99
Standard Test Method for
Volatility of Oil- and Resin-Based, Knife-Grade, Channel
Glazing Compounds
This standard is issued under the fixed designation C 681; 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 of 73.4 6 3.6°F (23 6 2°C) at 50 6 5 % relative humidity for
extended periods of time.
1.1 This test method describes the determination of the
6.2 Forced-Draft Oven, capable of maintaining a tempera-
volatility of oil- and resin-based, knife-grade, channel glazing
ture of 220 6 5°F (104 6 3°C) for extended periods of time.
compounds.
6.3 Dish, aluminum foil, 2.5 in. (64 mm) in diameter by
1.2 The values stated in inch-pound units are to be regarded
0.75 in. (19 mm) deep, with a flat bottom.
as the standard. The values given in parentheses are for
6.4 Balance, laboratory analytical type.
information only.
6.5 Steel Spatula or Putty Knife, with a blade about 4 in.
1.3 This standard does not purport to address all of the
(102 mm) long and 0.75 in. (19 mm) wide.
safety concerns, if any, associated with its use. It is the
6.6 Desiccator.
responsibility of the user of this standard to establish appro-
priate safety and health practices and determine the applica-
7. Procedure
bility of regulatory limitations prior to use.
7.1 Condition a sample of channel glazing compound in a
2. Referenced Documents tightly closed container 24 h at 73.4 6 3.6°F (23 6 2°C) prior
to testing. Mix the channel glazing compound thoroughly with
2.1 ASTM Standards:
a spatula to ensure uniformity of the sample to be tested.
C 717 Terminology of Building Seals and Sealants
7.2 Weigh the aluminum foil dish to the nearest 0.01 g and
3. Terminology
record the tare weight.
7.3 Transfer approximately 3 to5gofthe compound into
3.1 Definitions—Refer to Terminology C 717 for definitions
the tared aluminum foil dish, using the spatula, and spread the
of the following terms: glazing, compound.
compound uniformly over the bottom of the dish.
3.2 Description of Term—Refer to Terminology C 717 for
7.4 Weigh the dish containing the compound quickly and
the description of the following term: channel.
accurately to the nearest 0.01 g. Record the combined weight
4. Summary of Test Method
of the dish and the compound.
7.5 Place the dish containing the compound into an oven
4.1 The channel glazing compound is placed into a tared
controlled at 220 6 5°F (104 6 3°C) for a period of 3 h, cool
aluminum dish and weighed. The test specimen is then placed
in desiccator at 73.4 6 3.6°F (23 6 2°C) for 1 h, weigh
into an oven for a period of 3 h. After cooling, the test
accura
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