ASTM-F2466 Standard Practice for Determining Silicone Volatiles in Silicone Rubber for Transportation Applications

ASTM-F2466 - 2010 R18 EDITION - CURRENT
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Standard Practice for Determining Silicone Volatiles in Silicone Rubber for Transportation Applications
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Scope

1.1 This practice covers a means to determine the percent silicone-producing volatiles present in heat-cured silicone rubber and room temperature-cured silicones (RTV).

1.2 Silicone-producing volatiles contribute to fouling of oxygen sensor systems used in the control of vehicle emissions.

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

1.4 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.

Significance and Use

4.1 Use of this practice in conjunction with realistic maximum volatility tolerance level can help minimize the risk of oxygen sensor dysfunction from formed-in-place-sealants in transportation applications. This practice provides a method for determination of percentage volatiles in silicone elastomers. The volatile silicones from a commercial silicone are primarily cyclo dimethyl-siloxane. Other species present having GC retention times similar to those of the cyclics are assumed to be silicone as well.

Keywords

percent volatiles; silicone; transportation and oxygen sensor systems;; ICS Number Code 55.020 (Packaging and distibution of goods in general)

To find similar documents by ASTM Volume:

09.02 (Rubber Products, Industrial - Specifications and Related Test Methods; Gaskets; Tires)

To find similar documents by classification:

55.020 (Packaging and distribution of goods in general)

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Document Number

ASTM-F2466-10(2018)

Revision Level

2010 R18 EDITION

Status

Current

Modification Type

Reapproval

Publication Date

Sept. 27, 2018

Document Type

Practice

Page Count

5 pages

Committee Number

F03.50