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Normas ASTM – AENOR
ASTM D4574-06(2017)

ASTM D4574-06(2017)

Standard Test Methods for Rubber Compounding Materials—Determination of Ash Content

Fecha:
2017-06-01 /Active
Significance and Use:

5.1 These test methods are suitable for the determination of the ash content of rubber compounding materials. The test methods may be used for quality control, product acceptance, or research and development. Classification D4676 prescribes percent ash as an important characteristic of rubber antidegradants.

Scope:

1.1 These test methods cover the determination of ash content of rubber chemicals.

1.2 The test methods include the following materials:

Material

Section

Sulfur

7 – 13

p-Phenylenediamine Antioxidants

14 – 22

Benzothiazole Sulfenamide Accelerators

14 – 22

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

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

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.

Keywords:
accelerators; antidegradants; ash; rubber compounding materials; sulfur;
38,53
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