Carborundum, also known as silicon carbide (SiC), is an extremely hard material used in ceramics for polishing, grinding and finishing processes. Its exceptional hardness, comparable to that of diamond, makes it an essential tool for smoothing rough surfaces on ceramic parts, especially after bisque-firing or before final firing. This ensures that the pieces are free of imperfections, improving both their aesthetics and the adhesion of the glaze.
In handmade ceramics, carborundum is especially useful for removing burrs or rough areas on bisque-fired pieces before glazing. It is also widely used in the manufacture of abrasive tools such as sharpening stones, cutting discs and sandpaper, which are essential for working with high-density ceramic and refractory materials.
Interesting Fact
Carborundum was developed in the late 19th century and has revolutionized the ceramic and cutting tool industries due to its durability and heat resistance.
Helpful Tip
When using carborundum to sand your parts, wear gloves and eye protection, as the dust produced can be abrasive and irritating.
