ASTM-D1824 Standard Test Method for Apparent Viscosity of Plastisols and Organosols at Low Shear Rates

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Standard Test Method for Apparent Viscosity of Plastisols and Organosols at Low Shear Rates



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1.1 This test method covers the measurement of plastisol and organosol viscosity at low shear rates.

1.2 Apparent viscosity at high shear rates is covered in Test Method D1823.

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

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

Note 1: This test method resembles ISO 3219-1977 in title only. The content is significantly different.

1.5 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 The suitability of a dispersion resin for any given application process is dependent upon its viscosity characteristics.

5.2 The viscosity defines the flow behavior of a plastisol or organosol under low shear. This viscosity relates to the conditions encountered in pouring, casting, molding, and dipping processes.


apparent viscosity; low shear rate viscometry; PVC organosol; PVC plastisol; rotational viscometer;

To find similar documents by ASTM Volume:

08.01 (Plastics (I): D256 - D3159)

To find similar documents by classification:

83.080.01 (Plastics in general)

To find similar documents by Federal Supply Class Code:

FSC 6810 (Chemicals)

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Publication Date

April 22, 2024

Document Type

Test Method

Page Count

4 pages

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