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Document ASTM D 6487 is offered by IHS as part of an online subscription. This subscription contains many documents on the same topic.
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ASTM D 6487 Document Information:
Title
Standard Practice for Preparing Prints of Paste Printing Inks by Rollouts on a Laboratory Flat-Bed Press
ASTM International
Publication Date:
Jun 1, 2004
Scope:
(Footnote *)
This practice covers the procedure for preparing prints of paste inks
using rollouts on a flat-bed
laboratory proof press. The initial method was developed by the
National Printing Ink Research
Institute.(Footnote 2)
This practice is applicable to the preparation of single-color
solid-area prints by the dry offset
process (also known as Letterset) on a flat substrate such as paper or
metal. It can readily be
adapted to print by direct letterpress.
NOTE 1 - The proofing press described in this practice can also be
used with printing gages in
accordance with Practice D 6846.
This practice is applicable primarily to lithographic and letterpress
inks that dry by oxidation or
penetration. With the addition of appropriate drying or curing
equipment, it is also applicable to
other systems such as heat-set or energy-curable.
The instructions in this practice are intended to minimize the
within-print and among-operator
variability inherent in hand operations.
This practice does not measure the actual film thickness on the print,
but evaluates film thickness
equivalence by visual or instrumental comparisons of optical density.
The values stated in SI units are to be regarded as the standard. The
values given in parentheses
are for information only.
This standard does not purport to address all of the safety concerns,
if any, associated with its
use. It is the responsibility of the users of this standard to
establish appropriate safety and
health practices and determine the applicability of regulatory
limitations prior to use. Specific
precautions are given in Section 7.
Footnote * - A Summary of Changes section appears at the end of this
standard.
Footnote 2 - "The NPIRI Standard Procedure for Preparing Little Joe
Prints," American Ink Maker,
March 1994, pp. 42-50.
Keywords:
- dry offset proofing
- letterset proofing
- paste printing inks
- printing inks
- proofing of inks
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