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wholesale foundry chromite sand
FOB Reference Price / Min.Order Quantity
Processing Time:3-6
Packaging Details:
1mt big bag
Can be customized according to customer requirements packaging equipment.
Port: Lianyun/Qingdao/Tianjin port/the main port in china
Payment Terms: , , , , , ,
wholesale foundry chromite sand
Foundry chromite sand for foundry use as a highly fireproof sharpener for moulds and cores. Originally from South Africa. The sand is produced by crushing chrome ore and its washing in spiral concentrators, subsequent drying, dust cleaning, screening and sorting as per grain size.
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Cr2O3
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46.0%min
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SiO2
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1.0%max
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FeO
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26.5%max
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CaO
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0.3%max
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MgO
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10.0%max
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Al2O3
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15.5%max
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P
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0.003%max
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S
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0.003%max
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Cr/Fe
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1.55/1
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Bulk Density
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2.5-3g/cm3
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Specific Gravity
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4.0-4.8g/cm3
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PH Value
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7-9
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The amount of the acid
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2ML max
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Percent soil
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0.1%max
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The sintered
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1600℃
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Filling Density
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2.6g/cm3
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melting temperature
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2180°C
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Chromite Sand in the foundry industry
Its properties enable the material to be used in high duty grey iron and steel foundries as core and mould making sand. Its high thermal conductivity gives it good chilling properties, low thermal expansion gives rise to good dimensional stability. Its basicity being close to neutral allows the use of a wide range of resin bonding systems and inorganic binders, it has a high refractoriness and a broad sieve distribution.
Chromite Sand in the steel industry
In steel production, Chromite Sand is used as well filler for protection of the sliding gate in large steel holding ladles.
Chromite Sand in the glass industry
When ground to a fine flour, Chromite Sand is used for the production of green glass beverage containers.
Zhengzhou Haixu Abrasives Co., Ltd.
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