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ASTM D3157-05(2020)

ASTM D3157-05(2020)

Standard Test Method for Rubber from Natural Sources—Color

2020-07-16 /Active
Significance and Use:

4.1 Color of material rubber is of importance in compounds where product color is determined by the color of the raw rubber.


1.1 This test method covers a method of classifying the color of raw rubber according to a standard color scale.

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

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.

color; color index; comparator discs; Lovibond; natural rubber;
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