ASTM D2196-20 rus PDF

Full title and description

ASTM D2196-20 — Standard Test Methods for Rheological Properties of Non-Newtonian Materials by Rotational Viscometer. Russian-language edition/translation (rus) of the ASTM D2196-20 methods for measuring apparent viscosity, shear‑thinning and thixotropic behaviour of non‑Newtonian materials using a rotational viscometer.

Abstract

These test methods (designation D2196-20) describe procedures for determining apparent viscosity and for characterizing shear‑thinning and thixotropic (time‑dependent) rheological properties of non‑Newtonian materials using a rotational viscometer with spindles operating in a 600 mL low‑form Griffin beaker. Test Method A gives single‑speed apparent viscosity measurements; Test Methods B and C provide multi‑speed sequences and high‑shear treatments to evaluate shear thinning and viscosity recovery.

General information

• Status: Current / Active (D2196-20).
• Publication date: 2020 — published/approved in late 2020 (publication records show Dec 1, 2020; ASTM store records list last update Dec 14, 2020).
• Publisher: ASTM International (American Society for Testing and Materials).
• ICS / categories: Measurement of volume/mass/density/viscosity (ICS code commonly referenced as 17.060 — physical measurement / viscosity).
• Edition / version: D2196-20 (2020 revision).
• Number of pages: 5 pages (concise test‑method document).

Scope

These test methods cover determination of apparent viscosity and the shear‑thinning and thixotropic properties of non‑Newtonian materials over a shear‑rate range of approximately 0.1 s⁻¹ to 50 s⁻¹, using a rotational viscometer and spindles immersed in a 600 mL low‑form Griffin beaker. The standard defines three test procedures: A (single speed apparent viscosity), B (multi‑speed sequences to evaluate shear thinning and recovery) and C (high‑shear pretreatment to simulate application shear and evaluate post‑shear behaviour). The document notes SI units as the standard and provides test practice details on spindle selection, immersion depth, temperature control and timing of measurements.

Key topics and requirements

• Apparent viscosity measurement by rotational (rotary) viscometer at defined speeds and spindles.
• Shear‑thinning characterization via viscosity vs. rotational speed sequences (Test Method B).
• Thixotropy and viscosity recovery evaluation (Test Method B and combined B+C procedures).
• High‑shear pretreatment to approximate application shear and assess post‑shear viscosity (Test Method C).
• Equipment and calibration criteria: viscometer torque sensor, controlled rotational speeds, spindle immersion and alignment, and temperature control.
• Reporting requirements: spindle/speed selections, torque and viscosity readings, temperature, and notes on sample agitation and timing.

Typical use and users

Used by laboratories and quality‑control units in coatings, paints, inks, adhesives, sealants, printing inks, resins and related industries; applied in R&D, manufacturing QC, incoming inspection and formulation work to characterize flow behaviour, ensure batch consistency and evaluate application properties. Typical users include materials scientists, rheologists, QC technicians and standards compliance staff.

Related standards

Previous and related ASTM documents in the D2196 series (for historic comparisons) include earlier editions such as D2196‑18, D2196‑18e1, D2196‑15, D2196‑10. Other rheology and viscosity test methods (industry or instrument manufacturer guides) are often used alongside D2196 for extended characterization and cross‑comparison.

Keywords

ASTM D2196-20; rotational viscometer; non‑Newtonian; rheology; apparent viscosity; shear thinning; thixotropy; viscosity recovery; spindle; Griffin beaker; coatings; paints.

FAQ

Q: What is this standard?

A: ASTM D2196‑20 is a concise ASTM test method document that specifies rotational viscometer procedures to measure apparent viscosity and to characterize shear‑thinning and thixotropic behaviour of non‑Newtonian materials.

Q: What does it cover?

A: It covers three primary test procedures (A, B and C) using rotational viscometers with defined spindles in a 600 mL low‑form Griffin beaker to obtain torque/viscosity readings across a shear‑rate range ~0.1 to 50 s⁻¹, including high‑shear pretreatment and viscosity‑recovery assessments.

Q: Who typically uses it?

A: Laboratories and technical personnel in coatings, paints, adhesives, inks and similar industries — R&D, quality control, formulation and instrument calibration staff — use D2196 procedures to characterize product flow and application behaviour.

Q: Is it current or superseded?

A: The D2196‑20 revision (2020) is the current ASTM edition for D2196 as of the 2020 publication/approval; users should confirm if a later revision has been published after 2020 before citing for compliance.

Q: Is it part of a series?

A: Yes — it is part of the historical D2196 series of ASTM test methods; previous editions (for comparison) include D2196‑18, D2196‑15, etc., and it is maintained under ASTM Committee D01 and subcommittee D01.24 (Physical Properties of Liquid Paints & Paint Materials).

Q: What are the key keywords?

A: Non‑Newtonian, rheology, rotational viscometer, rotational viscosity, shear thinning, thix index, thixotropic, viscosity recovery, spindle, Griffin beaker.