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ASTM D5044-06

Current Revision

Standard Test Method for Rubber Compounding Materials—Free 2-Mercaptobenzothiazole (MBT) in Benzothiazyl Disulfide (MBTS)

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1.1 This test method covers the procedure for estimation of the acidic impurities in benzothiazyl disulfide (MBTS).

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

1.3 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.


2-Mercaptobenzothiazole (MBT) is usually the major impurity in MBTS. Free MBT may be determined by this test method.

MBT and MBTS are used for rubber and latex vulcanization acceleration. The amount of MBT in MBTS may be of importance in predicting performance in rubber compounds and for raw material purchase and control.

This test method may be used as a quality control tool and for research and development work.

SDO ASTM: ASTM International
Document Number D5044
Publication Date Oct. 1, 2006
Language en - English
Page Count 3
Revision Level 06
Supercedes
Committee D11.11
Publish Date Document Id Type View
Oct. 1, 2006 D5044-06 Revision
June 10, 2002 D5044-02 Revision
Nov. 10, 1997 D5044-97 Revision
Nov. 1, 2021 D5044-06R21 Reaffirmation
May 1, 2017 D5044-06R17 Reaffirmation
May 1, 2012 D5044-06R12 Reaffirmation