ASTM-D6487 2004

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D6487-04 Standard Practice for Preparing Prints of Paste Printing Inks by Rollouts on a Laboratory Flat-Bed Press

Published By	Publication Date	Number of Pages
ASTM	2004	5

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Category: ASTM

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Description

1.1 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.

1.2 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 1The proofing press described in this practice can also be used with printing gages in accordance with Practice D 6846.

1.3 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.

1.4 The instructions in this practice are intended to minimize the within-print and among-operator variability inherent in hand operations.

1.5 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.

1.6 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

1.7 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.

PDF Catalog

PDF Pages	PDF Title
1	Scope Referenced Documents Summary of Practice
2	Significance and Use Apparatus Materials Hazards Procedure for Dry Offset Printing (Letterset) FIG. 1
3	Instrumental Verification of Optical Density Keywords A1. SETTING UP THE PROOF PRESS A1.1 A1.2 A1.3 A1.4 A1.5
4	A1.6

Additional information

Standard Title	D6487-04 Standard Practice for Preparing Prints of Paste Printing Inks by Rollouts on a Laboratory Flat-Bed Press
Published Code	ASTM
Publication Date	2004
Pages Count	5

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ASTM-D6487 2004

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