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Significance and Use
4.1 Method A, Fines—The fines content of carbon black is related to the bulk flowability, dustiness, and, in some instances, the level of dispersion. Due to the many other variables that influence dispersion and handling, the significance of fines content must be determined by the user.
4.2 Method B, Attrition—By comparing the percent fines and attrition, an indication can be obtained of pellet stability and the amount of fines that may be created by pellet degradation in conveying, handling or transit.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D1511 Test Method for Carbon Black--Pellet Size Distribution
D1799 Practice for Carbon Black--Sampling Packaged Shipments
D1900 Practice for Carbon Black--Sampling Bulk Shipments
D4483 Practice for Evaluating Precision for Test Method Standards in the Rubber and Carbon Black Manufacturing Industries
D5817 Practice for Carbon Black, Pelleted--Reduction, Blending, and Drying of Gross Samples for Testing
E11 Specification for Woven Wire Test Sieve Cloth and Test Sieves
ICS Number Code 83.040.20 (Rubber compounding ingredients)
UNSPSC Code 12171603(Carbon black)