ASTM-D7271 Standard Test Method for Viscoelastic Properties of Paste Ink Vehicle Using an Oscillatory Rheometer

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Standard Test Method for Viscoelastic Properties of Paste Ink Vehicle Using an Oscillatory Rheometer



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1.1 This test method covers the procedure for determining the viscoelastic properties of printing ink vehicles by measuring the G', G”, and tan delta using a controlled strain cone and plate oscillatory rheometer.

1.2 This test method provides the flexibility of using several different types of rheometers to determine viscoelastic properties in ink vehicles.

1.3 This test method is not intended for systems that are volatile at procedure temperatures as evaporation may occur effectively changing the percent solids before testing is finished and significantly altering the rheology.

1.4 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.5 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Significance and Use

5.1 This test method has found acceptance in the lithographic ink industry in predicting rheological behavior of a vehicle under press conditions caused by extrusion, shear-thinning rollers and dot gain recovery.

5.2 This test method is restricted within the torque limitations and strain resolution of the rheometer used.

5.3 Results may not be reproducible if the vehicle is not homogenous.


frequency sweep; G'; G”; oscillatory rheometer; printing ink vehicles; rheology; tan delta; viscosity;

To find similar documents by ASTM Volume:

06.03 (Paint -- Pigments, Drying Oils, Polymers, Resins, Naval Stores, Cellulosic Esters, and Ink Vehicles)

To find similar documents by classification:

17.060 (Measurement of volume, mass, density, viscosity Including measuring instruments Volumetric measurements of petroleum products and natural gas, see 75.180.30)

87.080 (Inks. Printing inks Materials for graphic technology, see 37.100.20)

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Publication Date

Feb. 8, 2024

Document Type

Test Method

Page Count

3 pages

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