In addition to these abrasives, there are speciality niche materials that do not fit into any category. An example is sponge abrasives, which are impregnated with many different types of other abrasive materials to give them “biting power”. Abrasive blasting has proved for years to be a cost-effective way of cleaning and profiling substrates. While the abrasive industry must continue to look at new innovative materials, it must not loose sight of the cost of abrasive cleaning or ignore less expensive, traditional abrasives because they are not fashionable.

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