ASTM-D6049 2003

$40.63

D6049-03 Standard Test Method for Rubber Property—Measurement of the Viscous and Elastic Behavior of Unvulcanized Raw Rubbers and Rubber Compounds by Compression Between Parallel Plates

Published By	Publication Date	Number of Pages
ASTM	2003	9

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Categories: 83.040.10 - Latex and raw rubber, ASTM

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Description

ASTM D6049-03

Historical Standard: Standard Test Method for Rubber Property—Measurement of the Viscous and Elastic Behavior of Unvulcanized Raw Rubbers and Rubber Compounds by Compression Between Parallel Plates

ASTM D6049

Scope

1.1 This test method is an adaptation of the German Standard DIN 53514, a further development of the former “Defo Test” (see Appendix X1).

1.2 This test method is capable of measuring and characterizing the rheological behavior (viscosity and elasticity) of unvulcanized raw rubbers and rubber compounds, relating to the macro structure of rubber polymers (average molecular weight, molecular weight distribution, long chain branching, and micro- and macro-gel).

1.3 The viscosity and elasticity of unvulcanized rubbers and rubber compounds are determined by subjecting cylindrical test pieces to a compression/recovery cycle. The dependency on shear rate at constant shear stress is evaluated and the material fatigue behavior is determined in repeat cycle testing.

1.4 The non-Newtonian viscous and elastic behavior of rubbers and rubber compounds can also be evaluated.

1.5 Statistical evaluation of the test data provides an indication of data variation, which may be employed as an estimate of the homogeneity of the material tested.

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

1.7 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.

Keywords

compression and recovery; compression force test; elastic behavior; elastic properties; elastic recovery; elasticity; material fatigue; non-Newtonian viscosity; parallel plate; viscosity; viscous behavior

ICS Code

ICS Number Code 83.040.10 (Latex and raw rubber)

DOI: 10.1520/D6049-03

PDF Catalog

PDF Pages	PDF Title
1	Scope Referenced Documents Terminology
2	Summary of Test Method Significance and Use
3	Interferences Apparatus Preparation of Test Pieces FIG. 1
4	Procedure
5	Calculation and Interpretation of Results FIG. 2
6	Report Precision and Bias
7	Keywords A1.1 Scope A1.2 Apparatus TABLE 1
8	A1.3 Vacuum Compaction Process A1.4 FIG. A1.1
9	X1. BACKGROUND INFORMATION X1.1 X1.2 X1.3 REFERENCES

Additional information

Standard Title	D6049-03 Standard Test Method for Rubber Property—Measurement of the Viscous and Elastic Behavior of Unvulcanized Raw Rubbers and Rubber Compounds by Compression Between Parallel Plates
Published Code	ASTM
Publication Date	2003
Pages Count	9
ICS Codes	83.040.10 - Latex and raw rubber