Related topics from Britannicaabrasive
sharp, hard material used to wear away the surface of softer, less resistant materials. Included within the term are both natural and synthetic substances, ranging from the relatively soft particles ...
soap and detergent
Water-insoluble minerals such as talc, diatomaceous earth, silica, marble, volcanic ash (pumice), chalk, feldspar, quartz, and sand are often powdered and added to soap or synthetic detergent ...
abrasive
Other products use the abrasive in the form of grains or powders. In addition to the sizing operation, many types are specifically treated, by calcining, acid, or heating, to make them more suitable ...
abrasive
The materials used to make abrasives can be broadly classified as either natural or synthetic. Natural abrasives include diamond, corundum, and emery; they occur in natural deposits and can be mined ...
abrasive
abrasive
Sandpapers (coated abrasive) are the next most significant abrasive product. They consist, basically, of a single layer of abrasive particles held to a flexible backing material by an adhesive bond. ...
abrasive
The most important abrasive product manufactured is the grinding wheel. Made of abrasive grain and a binder, or "bond," it is a self-sharpening cutting tool. As the grains on the periphery become ...
abrasive
Abrasive wheels have replaced steel saws in many places. Thin, abrasive cutoff wheels are capable of sawing through nearly every material known, at rates faster than those of metal saws, while ...
abrasive
Sandpaper disks for right-angle grinders are die-cut. Sheets are cut in the standard lengths and widths used in production and household applications. Strips are slit, cut to length, and joined by ...
abrasive
In foundries and steel mills, grinding wheels and coated abrasive belts remove the unwanted portions of castings, forgings, and billets. Abrasive grit is pressure-blasted against the metal to clean ...
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