METHOD 3022.2
March 22, 2001
STORAGE STABILITY (FILLED CONTAINER)
1. SCOPE
1.1 Scope. It is the objective of this method to determine the storage stability (filled container) in
terms of the undesirable qualities that may be produced during a specified time and condition of
storage.
2. APPARATUS
2.1 Container. A suitable 8-ounce container, approximately 4-1/2 inches in height and 2 inches in
diameter.
3. REAGENTS
3.1 Reagents. None required.
4. PROCEDURE
4.1 Procedure. The container shall be filled with the material under test. The cover shall be
secured tightly. The container shall be placed in an upright position in the dark (placing it under a
box or in a drawer is satisfactory). The test shall be made at 22.2 to 26.7°C (72 to 80°F). The
sample shall not be agitated or disturbed until inspected.
4.2 Storage. The following is the recommended storage period for these products (see 5.1).
1.
Lacquers and dopes - 6 months.
2.
Enamels and varnishes - 6 months.
3.
Oil paints - 12 months.
4.
Other lengths of time peculiar to a product, its use or unusual storage conditions.
4.3 Undesirable qualities. The following characteristics in the material are considered undesirable
and objectionable.
1.
Caking (ASTM D869).
2.
Curdling.
3.
Agglomerates.
4.
Coarse particles (ASTM D185).
5.
Gelling.
6.
Viscosity (ASTM D562).
7.
Settling (ASTM D869).
8.
Seeds.
9.
Putrefaction.
10.
Skinning.
11.
Gas.
12.
Livering.
13.
Separation.
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