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ASTM D4041-97

(Test Method)

Standard Test Method for Determining Spray Patterns of Manually Operated Pump Dispensers

Standard Test Method for Determining Spray Patterns of Manually Operated Pump Dispensers

SCOPE
1.1 This test method covers the determination of spray patterns from pump dispensers.
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 appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

General Information

Status
Historical
Publication Date
09-Sep-1997
ICS
55.130 - Aerosol containers
Technical Committee
D10 - Packaging
Drafting Committee
D10.33 - Aerosol Products
Current Stage
Ref Project

Relations

Replaced By
ASTM D4041-97(2003) - Standard Test Method for Determining Spray Patterns of Manually Operated Pump Dispensers
Effective Date
10-Sep-1997

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ASTM D4041-97 - Standard Test Method for Determining Spray Patterns of Manually Operated Pump DispensersASTM D4041-97 - Standard Test Method for Determining Spray Patterns of Manually Operated Pump Dispensers
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ASTM D4041-97 - Standard Test Method for Determining Spray Patterns of Manually Operated Pump Dispensers
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NOTICE: This standard has either been superceded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
Designation: D 4041 – 97
Standard Practice for
Determining Spray Patterns of Manually Operated Pump
Dispensers
This standard is issued under the fixed designation D 4041; 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 positioned along the length of the horizontal component to
record fallout.
1.1 This practice covers the determination of spray patterns
5.2 Container Support Stand, that will position the pump
from pump dispensers.
dispenser and container a specific distance and center them to
1.2 This standard does not purport to address all of the
the target. (Alternatively, the pump dispenser and container
safety concerns, if any, associated with its use. It is the
may be held firmly by hand on a flat, horizontal surface.)
responsibility of the user of this standard to establish appro-
5.3 Measuring Rule.
priate safety and health practices and determine the applica-
5.4 Alcohol-Sensitive Paper, cut to the desired length and
bility of regulatory limitations prior to use.
width.
2. Referenced Documents
5.5 Plain White Paper, cut to the desired length and width.
5.6 Dyes of Oil Base for Petroleum-Based Products or
2.1 ASTM Standards:
Water Base for Water-Based Products—These dyes, when
D 996 Terminology of Packaging and Distribution Environ-
dissolved in the liquid, shall be in sufficient concentrate to give
ments
a strong color when sprayed onto the target paper.
3. Terminology
NOTE 1—Dyes must be compatible and completely soluble in the test
3.1 See Terminology D 996 for applicable definitions.
liquid. The dyed liquid shall be filtered prior to use to remove any solid
particles.
4. Significance and Use
6. Sampling
4.1 This practice can be used to compare spray patterns of
different pump dispensers and of different products. 6.1 Select an appropriate number of dry, unused dispensers
at random for the precision and bias desired.
4.2 Spray patterns from pump dispensers will vary greatly
with the design of the actuator and the nature of the liquid.
7. Conditioning
Liquids with differing physical properties will not necessarily
7.1 Packages, dispensers, and liquids should be conditioned
yield the same spray pattern when sprayed from the same
to standard laboratory temperatures prior to spray pattern
actuator. Likewise, actuators of different designs will yield
evaluation.
spray patterns distinct from each other when the same liquid is
used.
8. Procedure
4.3 The evaluation of the spray pattern must then be made
8.1 Attach the pump to the container of the test liquid.
with the specific actuator and liquid involved and not on
actuators or liquids assumed to be standard.
NOTE 2—If the plain white paper is selected as the target, then the
liquid product must contain a dye. If the alcohol-sensitive paper is selected
5. Apparatus
as the target, then the liquid product must contain alcohol in order to stain
this special paper. This method is acceptable for all products.
5.1 Target Support Stand, approximately 250 mm wide with
NOTE 3—Liquid products with water should not be tested on alcohol-
the vertical component approximately 400 mm high. The stand
sensitive paper, since the pattern will begin to change in size and shape
shall be attached securely at right angles to the horizontal
immediately due to evaporation. With no alcohol to permanently stain the
component. The component shall be approximately 700 mm
alcohol-sensitive paper, the results may be unreliable. This method is
long and free of air turbulence, that will provide for stationary
acceptable for products containing alcohol.
positioning of the paper target. An optional paper target is
8.2 If the pump dispenser is equipped with an overcap or
locking feature, remove or release them to permit the pump
This practice is under the jurisdiction of ASTM Committee D10 on Packaging
dispenser to be in the operable mode. If the pump dispenser
and is the direct responsibility of Subcommittee D10.33 on Mechanical Dispensers.
possesses an adjustable product dispensing feature, make the
Current edition approved Sept. 10, 1997. Published March 1998. Originally
published as D 4041 – 81. Last previous edition D 4041 – 89. appropriate adjustment to the feature at this time as determined
Annual Book of ASTM Standards, Vol 15.09.
Copyright © ASTM, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959, United States.
...

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