Coal Slag Abrasive
This is from an environmental tapelift collected outside. Coal slag abrasive may be very dark in appearance. The color of coal slag is normally dark as a result of the iron content in the glass. There may be mineral inclusions including magnetite in the abrasive.
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Definition/Function:
Coal slag is produced from the debris remaining after the combustion of the coal. It is a glassy material composed of the mineral inclusions in the coal that were melted together by the heat in the coal-fired boiler.
