silica refractory
11vitreous silica — n a chemically stable and refractory glass made from silica alone see QUARTZ GLASS …
12vitreous silica — noun Date: 1925 a chemically stable and refractory glass made from silica alone compare quartz glass …
13vitreous silica — most refractory commercial glass, resistant to acids (except hydrofluoric acid) / very good chemical durability, very high electrical resistivity, low thermal expansion, allows good UV transmission, high cost (Tm > 2000°C), used for mirrors in …
14Investment casting — For investment casting in art, see lost wax casting. Investment casting, also called lost wax casting, is one of the oldest known metal forming techniques. From 5,000 years ago, when beeswax formed the pattern, to today’s high technology waxes,… …
15investing the pattern — surrounding the wax pattern with an investment material, such as a mix of a plaster, for low temperature casting, or a mix consisting of dental stone and a silica refractory for high temperature casting; the investment hardens to form a mold into …
16dinas brick — dinasas statusas T sritis chemija apibrėžtis Kaitrai (1680–1730 °C) atspari medžiaga, turinti ≥ 93% SiO₂, iki 2,5% CaO. atitikmenys: angl. dinas brick; silica refractory rus. динас …
17dinasas — statusas T sritis chemija apibrėžtis Kaitrai (1680–1730 °C) atspari medžiaga, turinti ≥ 93% SiO₂, iki 2,5% CaO. atitikmenys: angl. dinas brick; silica refractory rus. динас …
18динас — dinasas statusas T sritis chemija apibrėžtis Kaitrai (1680–1730 °C) atspari medžiaga, turinti ≥ 93% SiO₂, iki 2,5% CaO. atitikmenys: angl. dinas brick; silica refractory rus. динас …
19Silicon dioxide — Silica redirects here. For other uses, see Silica (disambiguation). Silicon dioxide …
20steel — steellike, adj. /steel/, n. 1. any of various modified forms of iron, artificially produced, having a carbon content less than that of pig iron and more than that of wrought iron, and having qualities of hardness, elasticity, and strength varying …