ASTM D3060-94(1999)e1

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Designation:D3060–94 (Reapproved 1999)
Standard Test Method for
Pressure Drop Rate of Compressed Gas-Propelled
Products
This standard is issued under the fixed designation D 3060; 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.
e NOTE—Keywords were added editorially in October 1999.
1. Scope
1.1 This test method covers the determination of pressure
drop rate of compressed gas-propelled products.
1.2 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 appro-
priate safety and health practices and determine the applica-
bility of regulatory limitations prior to use.
2. Significance and Use
2.1 This test method is applicable to all products packaged
in prepressurized containers, and is rapid and reproducible.
2.2 Actual usage dispensing conditions are simulated in the
test.
2.3 This test method is such that any slight variance in
FIG. 1 Prepressurized Gage Assembly
valves and actuators are overcome, and the final equilibrium
pressure in the container is correlated to the amount of product
dispensed.
5. Conditioning
5.1 Refrigerate products normally refrigerated at 40°F
3. Apparatus
(4.4°C) for at least 24 h before testing.
3.1 Gage (Fig. 1)—Prepressurize the gage with compressed
5.2 Keep products normally stored at room temperature at
gas to a pressure 5 psi (34 kPa) higher than the expected
70°C (21°C) for a minimum of 24 h before testing.
pressure in the container, to determine if the assembly is
gastight. If the gage pressure remains constant, the assembly is
6. Procedure
sufficiently gastight.
6.1 Mass Determination—Weigh a replicate of three filled
containers, and record the mass in grams.
NOTE 1—Prepressurizing the gage 5 psi (34 kPa) higher than the
expected container pressure also minimizes the possibility of gage 6.2 Pressure Determination:
contamination when measurements are taken through the valve. If the
6.2.1 Using the prepressurized gage, check the equilibrium
gage is at a significantly lower pressure than the container when the gage
pressure in the container to minimize product or pressure loss.
valve is opened, aerosol product will enter the gage and possibly effect is
6.2.2 For products that require shaking, as indicated in the
accuracy.
directions on the label, shake as follows:
6.2.2.1 Grasp the container in an upright position, and move
4. Sampling
the arm downward in an arc. As the arm moves downward,
4.1 Samples shall be selected representing the true product
invert the container. Exert enough force in the motion to throw
formula either from production or the laboratory.
the product to the top end of the container. Then bring the
container back to the starting position.
This test method is under the jurisdiction of ASTM Committee D10 on
6.2.2.2 Repeat 6.2.2.1 for a total of ten times, pausing for a
Packaging and is the direct responsibility of Subcommittee D10.33 on Mechanical
few seconds between the cycles.
Dispensers. Originally developed by the Chemical Specialties Manufacturers Assn.
6.2.3 Do not agitate products that are dispensed without
Current edition approved Nov. 15, 1994. Published January 1995. Originally
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published as D 3060 – 72. Last previous edition D 3060 – 79 (1981) . shaking, before determining the equilibrium pressure.
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D3060
NOTE 2—Do not shake the container after standing.
6.3 Dispensing:
6.3.1 If required, shake the
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