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Carbon Black Dispersion Standards - Visual Analysis of Torn Vulcanizates ? Series of photographic standards (one 8 x 10 in.), rating 1 to 5 magnification x10. These photographs are used to compare the size and frequency of carbon agglomerates in the specimens (showing up as surface bumps or depressions).
Adjunct to D2663 Test Methods for Carbon Black-Dispersion in Rubber