Standard Test Method for Print Resistance of Lacquers

SCOPE
1.1 This test method covers the resistance of dried lacquer films to imprinting.  
1.2 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.
1.3 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.

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Status
Historical
Publication Date
31-Dec-1995
Current Stage
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ASTM D2091-96 - Standard Test Method for Print Resistance of Lacquers
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NOTICE: This standard has either been superceded and replaced by a new version or discontinued.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 2091 – 96
Standard Test Method for
Print Resistance of Lacquers
This standard is issued under the fixed designation D 2091; 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 4. Significance and Use
1.1 This test method covers the resistance of dried lacquer 4.1 An unsatisfactory appearance can result from pressure
films to imprinting. deformation of a film inherently too soft or containing residual
1.2 The values stated in inch-pound units are to be regarded solvent. This test method is primarily used to evaluate the
as the standard. The values given in parentheses are for resistance of a lacquer finish to printing under the conditions of
information only. packaging, shipping, and warehousing.
1.3 This standard does not purport to address all of the
5. Apparatus and Materials
safety concerns, if any, associated with its use. It is the
responsibility of the user of this standard to establish appro- 5.1 Test Panels—A plane surface consisting of wood, metal,
paper supported on plate glass, plastic, or other surface with an
priate safety and health practices and determine the applica-
bility of regulatory limitations prior to use. area at least 100 % greater than the base of the weight. The
planeness, smoothness, and composition should be agreed
2. Referenced Documents
upon by the purchaser and the seller.
2.1 ASTM Standards: 5.2 Imprinting Fabric, 8-oz Army duck, Type III, conform-
D 823 Practices for Producing Films of Uniform Thickness ing to Fed. Spec. CCC-C-419(f) or cheesecloth, Type I,
of Paint, Varnish, and Related Products on Test Panels conforming to Federal Specification CCC-C-440(e).
D 1005 Test Methods for Measurement of Dry-Film Thick-
NOTE 1—With the cheesecloth only, use a pad of nonwoven felt cloth
ness of Organic Coatings Using Micrometers 2 2
at least 0.05 in. (1.3 mm) thick, weighing 7 oz/yd (0.24 kg/m ) and larger
D 1186 Test Methods for Nondestructive Measurement of
than the plane end of the weight.
Dry Film Thickness of Nonmagnetic Coatings Applied to
5.3 Weights, consisting of metal cylinders cut from standard
a Ferrous Base
stock 2 in. (51 mm) in diameter, with plane ends perpendicular
D 1400 Test Method for Nondestructive Measurement of
to the axis, and of a length to give a pressure of ⁄2 or 1 lb/in.
Dry Film Thickness of Nonconductive Coatings Applied to
(3.5 or 7.0 kPa).
a Nonferrous Metal Base
5.4 Automatic Application Equipment, (Optional),asde-
D 5235 Test Method for Microscopical Measurement of
scribed in Practices D 823.
Dry Film Thickness of Coatings on Wool Products
5.5 Film Thickness Measuring Apparatus, as described in
2.2 U.S. Federal Specifications:
Test Methods D 1005, D 1186, D 1400, and D 5235.
CCC-C-419(f) Cloth, Duck, Cotton, Unbleached, Plied
CCC-C-440(e) Cloth, Cheesecloth, Bleached and Un-
6. Preparation of Test Specimen
bleached
6.1 Single Coats—Prepare a specimen for test by applying
the test lacquer to a panel with a film applicator or other
3. Summary of Test Method
specified method, as described in Test Methods D 823, to give
3.1 A weight presses a piece of fabric against the test
a specified film thickness to be stated in the result. In the
surface. The surface is then examined and changes in appear-
absence of a specified dry film thickness, 1 6 0.1 mil (25 6 3
ance of the test surface are reported.
μm) is recommended.
6.2 Multiple Coats—Use the finish system as agreed upon
This test method is under the jurisdiction of ASTM Committee D01 on Paint
between the purchaser and the seller. In the
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