The use of cement dust waste as filler in rubber vulcanizates is of great interest as a means to get rid of this waste. The effect of cement dust on the properties of acrylonitrile rubber (NBR) was studied and compared with that of carbon black and kaolin. It was found that the surface treatment of cement dust with fatty acid improves its dispersability. The effect of treated cement dust in combination with carbon black on physico-mechanical, thermal aging, swelling resistance and fatigue resistance of the filled vulcanizates was studied.
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