ASTM D6419-00

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Designation:D6419–00
Test Method for
Volatile Content of Sheet-Fed and Coldset Web Offset
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Printing Inks
This standard is issued under the fixed designation D 6419; 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 E 145 Specification for Gravity-Convection and Forced-
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Ventilation Ovens
1.1 This test method describes a procedure for determina-
E 691 Practice for Conducting an Interlaboratory Study to
tion of the weight percent volatile content of sheet-fed and
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Determine the Precision of a Test Method
coldset web offset printing inks. Test specimens are heated at
2.2 Other Standards:
110° 6 1°C for 60 min.
EPA Reference Method 24 - Determination of Volatile
NOTE 1—Coldset web offset printing is often (also) referred to as
Matter Content, Water Content, Density, Volume Solids,
non-heatset web offset printing.
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and Weight Solids of Surface Coatings
1.2 This test method is also applicable to sheet-fed and
3. Summary of Test Method
coldset web offset printing ink vehicles.
3.1 A specimen size of 0.300 6 0.001 g is weighed into an
NOTE 2—Vehicleistheliquidportionoftheprintingink.Anysubstance
aluminumfoildish,dispersedin3mLoftoluene,andheatedin
that is dissolved in the liquid portion of the ink is a part of the vehicle.
an oven at 110 6 1°C for 60 min. The percent volatile is
1.3 Thistestmethodisnotapplicabletoultra-violet(UV)or
calculated from the loss in weight.
electron beam cured materials, which must be cured by
exposure to UV light or an electron beam as part of the test for
4. Significance and Use
volatile content.
4.1 This test method is the procedure of choice for deter-
1.4 This test method is based on Test Method D 2369, in
mining volatile content of sheet-fed and coldset web offset
which the allowable ranges are 6 0.1g for specimen weight
inks. This information is useful to the ink manufacturer and
and 6 5°C for oven temperature. Interlaboratory studies have
user and to environmental interests as part of the determination
shown that specimen weight and oven temperature must both
of the mass of volatile organic compounds emitted from the
be more tightly controlled in order to improve the precision of
ink.
test results for sheet-fed and coldset web-offset inks. Such inks
NOTE 3—Since these inks do not contain water or any materials
typically contain a wide range of high-boiling hydrocarbons
currently classified by US EPA as negligibly photochemically reactive
and often have a volatile content below 25 %.
(exempt solvents), volatile organic compound content is the same as
1.5 This standard does not purport to address all of the
volatile content. The volatile organic compounds in these inks are high
safety concerns, if any, associated with its use. It is the
boilinghydrocarbonoilswhichare,accordingtoUSEPAguidelines,95 %
responsibility of the user of this standard to establish appro-
retained in the printed substrate or oxidized into the ink film. Therefore,
priate safety and health practices and determine the applica-
the mass of volatile organic compound emitted from the ink would be
calculated as only 5 % of the volatile organic compound content of the ink
bility of regulatory limitations prior to use. For a specific
as derived from the results of this test method.
hazard statement see 7.5.1.
5. Apparatus
2. Referenced Documents
5.1 Aluminum Foil Dishes, 58 mm in diameter by 18 mm
2.1 ASTM Standards:
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high with a smooth (planar) bottom surface. Precondition the
D 2369 Test Method for Volatile Content of Coatings
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dishes for 30 min. in an oven at 110 6 1°C and store in a
D 362 Specification for Industrial Grade Toluene
desiccator prior to use. Use tongs or rubber gloves or both, to
handle the dishes.
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This test method is under the jurisdiction of ASTM Committee D01 on Paint
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and Related Coatings, Materials, andApplications and is the direct responsibility of Annual Book of ASTM Standards, Vol 14.04.
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Subcommittee D01.56 on Printing Inks. Annual Book of ASTM Standards, Vol 14.02.
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Current edition approved Nov. 10, 2000. Published January 2001. Originally Available from the Superintendent of Documents, U.S. Government Printing
published as D 6419–99. Last previous edition D 6419–99. Office, Washington, DC 20402 or Brezinski, J. J., ed., Determination of Volatile
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Annual Book of ASTM Standards, Vol 06.01. Organic Compound (VOC) Content in Paints, Inks, and Related Coating Products,
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Annual Book of ASTM Standards, Vol 06.03. MNL 4, ASTM, 1993.
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