ASTM International - ASTM D1991-15(2019)

Standard Test Method for Rubber Chemicals—2-Mercaptobenzothiazole (MBT)—Assay

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Organization: ASTM International
Publication Date: 1 December 2019
Status: active
Page Count: 3
ICS Code (Rubber compounding ingredients): 83.040.20
significance And Use:

4.1 MBT is commonly used as an accelerator for rubber and latex vulcanization. The purity of MBT may be of importance in predicting performance in rubber compounds and this test method is designed... View More

scope:

1.1 This test method covers a procedure for the assay of 2-mercaptobenzothiazole (MBT). It is based on a potentiometric titration of MBT with sodium hydroxide.

1.2 The assay is determined as percent by mass.

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, health, and environmental 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.

Document History

ASTM D1991-15(2019)
December 1, 2019
Standard Test Method for Rubber Chemicals—2-Mercaptobenzothiazole (MBT)—Assay
1.1 This test method covers a procedure for the assay of 2-mercaptobenzothiazole (MBT). It is based on a potentiometric titration of MBT with sodium hydroxide. 1.2 The assay is determined as percent...
June 1, 2015
Standard Test Method for Rubber Chemicals—2-Mercaptobenzothiazole (MBT)—Assay
1.1 This test method covers a procedure for the assay of 2-mercaptobenzothiazole (MBT). It is based on a potentiometric titration of MBT with sodium hydroxide. 1.2 The assay is determined as percent...
June 1, 2010
Standard Test Method for Rubber Chemicals—2-Mercaptobenzothiazole (MBT)—Assay
1.1 This test method covers a procedure for the assay of 2-mercaptobenzothiazole (MBT). It is based on a potentiometric titration of MBT with sodium hydroxide. 1.2 The assay is determined as percent...
October 1, 2005
Standard Test Method for Rubber Chemicals—2-Mercaptobenzothiazole (MBT)—Assay
1.1 This test method covers a procedure for the assay of 2-mercaptobenzothiazole (MBT). It is based on a potentiometric titration of MBT with sodium hydroxide. 1.2 The assay is determined as percent...
November 10, 1996
Standard Test Method for Rubber Chemicals—2-Mercaptobenzothiazole (MBT)—Assay
1.1 This test method covers a procedure for the assay of 2-mercaptobenzothiazole (MBT). It is based on a potentiometric titration of MBT with sodium hydroxide. 1.2 The assay is determined as percent...
November 10, 1996
Standard Test Method for Rubber Chemicals—2-Mercaptobenzothiazole (MBT)—Assay
1.1 This test method covers a procedure for the assay of 2-mercaptobenzothiazole (MBT). It is based on a potentiometric titration of MBT with sodium hydroxide. 1.2 The assay is determined as percent...
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