silica sand

silica sand
A form of silica used for sherardizing or mechanical plating

Dictionary of automotive terms. 2015.

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  • high-silica sand — kvarcinis smėlis statusas T sritis chemija apibrėžtis Smėlis, kuriame yra ≥ 90% SiO₂. atitikmenys: angl. high silica sand; quartz sand rus. кварцевый песок …   Chemijos terminų aiškinamasis žodynas

  • Sand casting — Sand casting, also known as sand molded casting, is a metal casting process characterized by using sand as the mold material. It is relatively cheap and sufficiently refractory even for steel foundry use. A suitable bonding agent (usually clay)… …   Wikipedia

  • sand-lime brick — /sand luym / a hard brick composed of silica sand and a lime of high calcium content, molded under high pressure and baked. [1905 10] * * * …   Universalium

  • Sand — For other uses, see Sand (disambiguation). Close up of sand from the Gobi Desert, Mongolia, showing a surface area of 1 square centimetres …   Wikipedia

  • silica — /sil i keuh/, n. the dioxide form of silicon, SiO2, occurring esp. as quartz sand, flint, and agate: used usually in the form of its prepared white powder chiefly in the manufacture of glass, water glass, ceramics, and abrasives. Also called… …   Universalium

  • sand-lime brick — noun : brick made of sand and lime that is pressed into molds and steamed * * * /sand luym / a hard brick composed of silica sand and a lime of high calcium content, molded under high pressure and baked. [1905 10] …   Useful english dictionary

  • sand — [1] to smooth or clean a surface by rubbing with sandpaper. Sanding usually refers to hand tools such as sandpaper, while grinding always refers to power tools such as angle grinders. [2] A term popularly applied to loose, unconsolidated… …   Dictionary of automotive terms

  • Sand — /sand/; Fr. /sahonnd/, n. George /jawrj/; Fr. /zhawrddzh/ (Lucile Aurore Dupin Dudevant), 1804 76, French novelist. * * * I Mineral, rock, or soil particles that are 0. 0008–0.08 in. (0.02–2 mm) in diameter. Most rock forming minerals are found… …   Universalium

  • silica gel — n colloidal silica resembling coarse white sand in appearance but possessing many fine pores and therefore extremely adsorbent * * * a purified form of silica (silicon dioxide) obtained by the reaction of sodium silicate with a mineral acid; used …   Medical dictionary

  • sand|stone — «SAND STOHN», noun. a kind of sedimentary rock formed mostly of sand, the grains being held together by a natural cement of silica, calcite, iron oxide, or the like. »Before the use of Portland cement and reinforced concrete, sandstone was widely …   Useful english dictionary

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