D7723 - 11 Standard Test Method for Rubber Property Macro-Dispersion of Fillers in Compounds

2016-08-22 14:46 下载量：3

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Macro-dispersion of carbon black and silica in rubber compounds may be measured by different methods. Carbon black provides a direct physical reinforcement; silica requires a silane coupling agent in order to initiate reinforcement, and therefore, a different technology of mixing. Silica is also a non-conductor, making electrical methods of dispersion measurement impracticable. This test method is specifically appropriate for the characterization of the microdispersion in silica technology. This test method also can measure the mixing quality of colored rubbers. It uses variable exposure in order to be able to image a wide range of colors. This test method is intended for use in research and development as well as in quality control of filler processability in rubber and may be used for both the evaluation of production processes or referee purposes.

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