Standard ASTM D1316-06R11

Standard Test Method for Fineness of Grind of Printing Inks By the NPIRI Grindometer (Withdrawn 2020)
Publication date
Replaced by
No Replacement
87.080 Inks. Printing inks
Summary :

1.1 This test method describes the procedure for determining the fineness of grind of printing inks using a NPIRI Grindometer. It evaluates the size of the largest particles in a finished dispersion but not average particle size or concentration of sizes.

1.2 This test method covers both manual and automatic drawdowns using an A1 scraper.

1.3 This test method is applicable to any dispersion that is fine enough to fall within the 025 μm range of the specified grind gauge. With a minor variation in procedure, it is applicable to both paste (nonvolatil
e) and liquid (volatil
e) inks.

Note 1—The 025 μm gauge specified in this test method is similar in principle to the 0100 μm Hegman gauge described in Test Method D1210 and the various gauges described in ISO 1524:2000. Sieve analysis for concentration of particles above 45 μm is covered in Test Method D2067.

1.4 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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