ASTM D4336-05(2010)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
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Designation: D4336 − 05 (Reapproved 2010)
Standard Test Methods for
Determination of the Output Per Stroke of a Mechanical
Pump Dispenser
This standard is issued under the fixed designation D4336; 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 6. Conditioning
1.1 These test methods cover the measurement of the mean 6.1 If possible, condition the test specimens at 23 6 3° C
quantity-by-weight of liquids dispensed from a mechanical (73 6 5.4°F) for not less than 4 h. If the test specimens are not
pump dispenser (spray or flow type) with a consumer-type conditioned at the recommended temperature, this should be
product on each actuation. noted in the test report discussed in 12.1.
1.2 This standard does not purport to address all of the
6.2 If the test specimens have been newly-made at the time
safety concerns, if any, associated with its use. It is the
of the test, it is recommended that the test specimens age at 23
responsibility of the user of this standard to establish appro-
6 3°C (73 6 5.4°F) for 24 h before beginning the test. If the
priate safety and health practices and determine the applica-
test specimens are not allowed to age for 24 h, then it should
bility of regulatory limitations prior to use.
be noted in the test report as discussed in 12.1.
2. Referenced Documents
GRAVIMETRIC METHOD #1
2.1 ASTM Standards:
This method is to be used when taring
D3890 Test Method for Number of Strokes to Prime a
of the package weight is wanted or possible.
Mechanical Pump Dispenser
3. Significance and Use
7. Apparatus
3.1 This test method can be used to compare the output per
7.1 Balance, with direct reading to 0.01 g. Top-loading or
stroke of different pump dispensers for the purpose of estab-
analytical style is recommended.
lishing dosage and use instructions for products of consumer
NOTE 1—For applications requiring greater accuracy, a top-loading or
usage.
analytical style balance with direct reading to 0.001 g is recommended.
3.2 This test method is suitable for establishing specifica-
7.2 Container, an appropriate container for the pump dis-
tions for both the pump dispenser and the final package.
penser under test; however, the actual container to be used on
the final package is recommended.
4. Sampling
4.1 Select an appropriate number of pump dispensers at
8. Procedure
randomfortheprecisionandaccuracydesired.Anumberoften
8.1 Fill the container with product to the level to be seen in
test specimens are recommended, but a minimum of three is
the final package and secure the mechanical pump dispenser to
acceptable.
the container.
5. Test Specimens
8.2 If the pump dispenser is equipped with an overcap or
5.1 Test specimens shall be clean pump dispensers with dip
locking feature, remove or release to permit the pump dis-
tubes assembled in the same manner as in production.
penser to be in the operable mode.
8.3 If the pump dispenser has a variable dosage feature,
This test method is under the jurisdiction ofASTM Committee F02 on Flexible
make an appropriate adjustment to the desired dosage at this
Barrier Packaging and is the direct responsibility of Subcommittee F02.30 on
time.
Mechanical Pump Dispensers.
Current edition approved Oct. 1, 2010. Published March 2011. Originally
8.4 Prime the pump dispenser in accordance with Test
approved in 1984. Last previous edition approved in 2005 as D4336 – 05. DOI:
Method D3890 by actuating it until a full discharge of product
10.1520/D4336-05R10.
For referenced ASTM standards, visit the ASTM website, www.astm.org, or occurs.
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
8.5 Place the package on the balance and tare the weight to
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. zero.
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D4336 − 05 (2010)
8.6 Actuate the pump dispenser ten times by hand at the rate 10.7 Reweigh the package and record the differences to the
of 60 to 120 (90 6 15 preferred) strokes per minute. nearest 0.01 or 0.001g as appropriate for the balance used and
record the “New Weight” on the data sheet as “W2”.
NOTE 2—Care must be taken to use the full stroke on each actuation.
10.8 Repeat 10.1 – 10.7 for each pump dispenser selected
8.7 Reweigh the package and record the value to the nearest
for testing in acco
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