ASTM F940-99

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An American National Standard
Designation:F 940–99
Standard Practice for
Quality Control Receipt Inspection Procedures for
Protective Coatings (Paint), Used in Marine Construction
and Shipbuilding
This standard is issued under the fixed designation F 940; 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.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope D 1640 Test Methods for Drying, Curing, or Film Forma-
tion of Organic Coatings at Room Temperature
1.1 This practice provides the quality control receipt inspec-
D 1729 Practice for Visual Evaluation of Color Differences
tion procedures for protective coatings (paints) procured for
of Opaque Materials
end item use on ships and other marine structures.The practice
D 2196 Test Methods for Rheological Properties of Non-
includes methods and procedures for verifying that coating
Newtonian Materials by Rotational (Brookfield) Viscom-
materials received are within the range of physical and
eter
chemical characteristics as those originally specified and
D 2244 Test Method for Calculation of Color Differences
tested.
from Instrumentally Measured Color Coordinates
1.2 This standard does not purport to address the safety
D 2369 Test Method for Volatile Content of Coatings
problems associated with its use. It is the responsibility of the
D 2621 Test Method for Infrared Identification of Vehicle
user of this standard to consult and establish appropriate
Solids From Solvent-Reducible Paints
safety and health practices and determine the applicability of
D 2697 Test Method for Volume Nonvolatile Matter in
regulatory limitations prior to use.
Clear or Pigmented Coatings
2. Referenced Documents
D 2698 Test Method for Determination of the Pigment
Content of Solvent-Reducible Paints by High-Speed Cen-
2.1 ASTM Standards:
trifuging
D 185 Test Methods for Coarse Particles in Pigments,
D 2805 Test Method for Hiding Power of Paints by Reflec-
Pastes, and Paints
tometry
D 523 Test Method for Specular Gloss
D 2832 Guide for Determining Volatile and Nonvolatile
D 562 Test Method for Consistency of Paints Using the
Content of Paint and Related Coatings
Stormer Viscometer
D 3278 Test Methods for Flash Point of Liquids by Set-
D 1200 Test Method for Viscosity by Ford Viscosity Cup
aflash Closed-Cup Apparatus
D 1210 TestMethodforFinenessofDispersionofPigment-
D 3925 Practice for Sampling Liquid Paints and Related
Vehicle Systems
Pigmented Coatings
D 1308 Test Method for Effect of Household Chemicals on
Clear and Pigmented Organic Finishes
3. Terminology
D 1309 Test Method for Settling Properties ofTraffic Paints
4 3.1 batch—a manufacturing run. The industrial unit or
During Accelerated Storage
quantity of production made in one complete operation. The
D 1475 Test Method for Density of Paint, Varnish, Lacquer,
volume or mass that constitutes a batch is flexible and varies
and Related Products
with the size of the plant and its facilities for converting the
raw materials into the finished product.
This practice is under the jurisdiction of ASTM Committee F25 on Ships and
Marine Technology and is the direct responsibility of Subcommittee F 25.01 on 4. Summary of Practice
Structures.
4.1 Test requirements for identifying characteristics (physi-
Current edition approved Nov. 10, 1999. Published February 2000. Originally
e1 e1
cal and chemical) of marine coatings are established. Receipt
published as F 940–85(1991) . Last previous edition F 940–85(1991) .
Annual Book of ASTM Standards, Vol 06.03.
inspection tests are provided to assure that procured paints do
Annual Book of ASTM Standards, Vol 06.01.
not differ significantly from the paints initially evaluated.
Annual Book of ASTM Standards, Vol 06.02.
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F940–99
TABLE 1 Initial Baseline Paint Tests
5. Significance and Use
5.1 This practice provides a means of assuring that products NOTE—Test Methods D 562, D 1200, and D 2196 can be used for
consistency measurements. Unless otherwise specified, any one of these
suppliedduringshipconstructionandmaintenancearesubstan-
three test methods may be used.
tially the same as the materials on which the original selection
Test Method Property Measured
wasbased.Theselectionofapaintforshipboardusefrequently
involveslaboratoryandfieldevaluationsofcandidatematerials D 562 Consistency of paints
D 1200 Viscosity of paints, var-
as part of the specification process. When a paint is selected, it
nishes, and lacquers
shall have the same composition and characteristics throughout
D 1210 Fineness of dispersion of
the delivery period as the materials originally evaluated. pigment vehicle systems
D 1475 Density of paint, varnish,
5.1.1 When significant changes in composition or paint
lacquer, and related prod-
characteristics are observed, it is necessary to determine the
ucts
D 1640 Drying, curing, or film for-
cause of the change (production error or formulation change)
mation of organic coatings
and its impact on coating performance. Actions to take if a
D 2196 Rheological properties of
formulation change is required are specified in 6.5.
non-Newtonian materials
D 2697 Volume nonvolatile matter
5.2 This practice is not meant to cover all possible chemical
in clear or pigmented
or physical tests that may be used to identify a coating.
coatings
Additional tests may be needed to meet specific user needs.
D 2832 Nonvolatile content of
paint and paint materials
5.3 This practice does not recommend specific tolerance
limits for the tests indicated. Tolerance values need to be
agreed upon by the coating supplier, the shipbuilder, and the
TABLE 2 Routine Receipt Inspection Tests
ship’s owner.
5.4 This practice does not establish critical attributes that
NOTE—Test Methods D 562, D 1200, and D 2196 can be used for
consistency measurements. Unless otherwise specified, any one of these
must be controlled. These attributes are selected by the
three test methods may be used.
shipbuilder and the ship’s owner based on specific needs (for
Test Method Property Measured
example, colors).
D 562 Consistency of pa
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