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Home > Products > FOUNDRY CHROMITE SAND

Chromite sand

Chromite Sand is a naturally occurring spinel consisting primarily of the oxides of chrome and iron. It is a by-product of ferro-chrome production and is mainly used in foundry applications and in glass production.

It is used 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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CERAMIC SAND BLASTING BEADS
  • CERAMIC SAND BLASTING BEADS
WHITE FUSED ALUMINA
  • White Fused Alumina
BROWN FUSED ALUMINA
  • Brown Fused Alumina
FREE DUST EMERY SAND CERAMIC SAND
  • Free dust emery sand ceramic sand
PINK FUSED ALUMINA
  • Pink fused alumina
ZIRCONIA FUSED ALUMINA
  • Zirconia fused alumina
BLACK SILICON CARBIDE
  • Black silicon carbide
FOUNDRY CHROMITE SAND
  • Chromite sand
GARNET SAND
  • Garnet sand
BORON CARBIDE
  • Boron carbide
CERAMIC FOUNDRY SAND
  • Ceramic Foundry sand
TABULAR ALUMINA
  • Tabular alumina
GLASS BEADS
  • Glass Beads
ZIRCON SAND
  • ZIRCON SAND
GREEN SILICON CARBIDE
  • Green Silicon carbide
BROWN FUSED ALUMINA

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    Pink fused alumina

    Pink fused alumina

    Brown Fused Alumina

    Brown Fused Alumina

    White Fused Alumina

    White Fused Alumina

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    Properties Application Inquiry Related products

    Properties

    Physical and chemical index

    Item

    Unit

    Index

    Cr2O3

    %

    ≥46.0%

    SiO2

    %

    ≤1.0%

    FeO

    %

    ≤26.5%

    CaO

    %

    ≤0.30%

    MgO

    %

    ≤10.0%

    Al2O3

    %

    ≤15.5%

    P

    %

    ≤0.003%

    S

    %

    ≤0.003%

    Cr/Fe

    1.55:1

    Bulk Density

    g/cm³

    2.5-3

    Color

    /

    Black

    PH

    /

    7-9

    The amount of the acid

    /

    ≤ 2 ML

    Percent soil

    %

    ≤0.1

    Percent Moisture

    %

    ≤0.1

    The sintered

    ℃

    1600

    Percentage of free acid present in the sand

    %

    0

    Filling density  

    g/cm³

    2.6

    Sintering point      

    °C

    > 1,800

    Melting temperature  

    °C

    2,180

    Packing

    MT

    1 big bag

    Sizes

     

    AFS25-35 AFS25-30 AFS30-35 AFS35-40 AFS40-45 AFS45-50 AFS40-50 AFS50-55 AFS55-60 AFS60-65

    Application

    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.

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      • Boron carbide

        Boron carbide

        Boron carbide is a compound that contains boron and carbon, especially B4C; an extremely hard, non-metallic, black crystalline compound or solid solution.

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        • BLACK SILICON CARBIDE
        • FOUNDRY CHROMITE SAND
        • GARNET SAND
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