ASTM-D7723 2024(Redline)

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D7723-24 Standard Test Method for Rubber Property—Macro-Dispersion of Fillers in Compounds (Redline)

Published By	Publication Date	Number of Pages
ASTM	2024

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Categories: 87.060.10 - Pigments and extenders, ASTM

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Description

ASTM D7723-24

Redline Standard: Standard Test Method for Rubber Property—Macro-Dispersion of Fillers in Compounds

ASTM D7723

Scope

1.1 This test method covers a procedure to measure the macro-dispersion of fillers in a rubber matrix by quantifying the surface roughness of a freshly cut specimen using an optical microscope in reflection mode.

1.2 The method provides a procedure to measure the quality of mixing of reinforcing fillers such as silica and carbon black, as well as inert fillers such as chalk, clay and other solids.

1.3 The method includes a sample preparation procedure for filled uncured rubber compounds as well as filled cured rubber compounds.

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.

Keywords

filler; incorporation; macro-dispersion; micro-roughness; reflected light microscope;

ICS Code

ICS Number Code 87.060.10 (Pigments and extenders)

DOI: 10.1520/D7723-24

Additional information

Standard Title	D7723-24 Standard Test Method for Rubber Property—Macro-Dispersion of Fillers in Compounds (Redline)
Published Code	ASTM
Publication Date	2024
ICS Codes	87.060.10 - Pigments and extenders