Cast Refractory Shapes.Special cast refractory refractory Material that is not deformed or damaged by high temperatures, used to make crucibles, incinerators, insulation, and furnaces, particularly metallurgical furnaces. shapes that can be custom-made for a variety of foundry applications are available from Nock nock n. 1. The groove at either end of a bow for holding the bowstring. 2. The notch in the end of an arrow that fits on the bowstring. tr.v. nocked, nock·ing, nocks 1. Refractories. In addition to cast refractory shapes, the firm offers fire clay fire clay, clay that has a high degree of resistance to heat. By the best standards it should have a fusion point higher than 1,600°C;. The term "fire clay" is commonly held to exclude kaolin and other refractory potter's clays. and high-alumina brick, mortars, castables, ramming and gun mixes, ceramic fiber products and high-temperature coatings. |
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