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Manufactory Directly Sipply Black Corundum With Best Quality ?
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Black?Fused?Alumina?is?bauxite,?carbon?materials,?iron?filings?in?the?three?kinds?of?raw?material?through?the?
melting?furnace?to?restore?the?system?obtained?brown?artificial?corundum,?and?are?thus?brown?corundum.?
Brown?Fused?Alumina?is?the?main?chemical?ingredient?AL2O3,?its?content?is?94.5%?1?97%,?and?the?other?
containing?a?small?amount?of?Fe,?Si,?Ti?and?so?on.?Corundum?because?of?its?high?hardness,?toughness?is?
good,?more?used?as?a?grinding?material,?which?is?one?of?the?most?basic?abrasive.?Applicable?to?carbon?steel,?
malleable?iron?and?hard?bronze?etc.?grinding.?In?addition,?in?refractory?materials,?chemical?additives,?precision?
casting?and?anti-slip?material?also?has?wider?application.
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Main?functions:
?(1)?as?there?is?high?temperature,?corrosion?resistance,?high?strength?properties,?it?poured?with?steel?sliding?gate,?smelting?rare?metals,?special?alloys,?ceramics,?iron-smelting?furnace?of?the?lining?(walls?and?tubes);?physical?and?chemical?containers?,?spark?plugs,?heat-resistant?anti-oxidation?coating.
(2)?due?to?high?hardness,?wear?resistance,?high?strength?characteristics,?in?the?chemical?system,?used?for?a?variety?of?reaction?vessels?and?pipelines,?chemical?pump?parts;?to?do?mechanical?parts,?various?molds,?such?as?the?Roberts?mold,?extrusion?die?nozzle?pencil?lead,?etc.;?do?tool,?die?grinding,?bullet-proof?material,?the?human?body?joints,?sealing?ring?mold.???????????????
(3)?corundum?insulating?materials,?such?as?lightweight?corundum?brick,?corundum?hollow?ball?and?fiber?products,?widely?used?in?a?variety?of?high-temperature?kiln?furnace?walls?and?roof,?both?high-temperature?insulation?again.
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