ASTM D 3157 - 05 (Reapproved 2015) Standard Test Method for Rubber from Natural Sources - Color

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Current edition approved Aug. 1, 2015. Published September 2015. Originally approved in 1973. Last previous edition approved in 2010 as D3157 – 05 (2010)ɛ1. — 3 p.
This test method covers a method of classifying the color of raw rubber according to a standard color scale.