Moulding sand chromite sand 20-70# for chrmical industry


Category:Aluminum Oxide
Region: China

Packaging:Bag Package/Small Bag Package

PubDate:2019-06-17 17:55:04

Deadline:2019-09-15 17:55:04

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Chromite sand is used for its high thermal resistance, fast chilling capacity and resistance to liquid metal penetration.Its thermal expansion is uniform and clearly lower than that of silica sand thus finning problems are minimised.Chromite sand is provided with a size of 45 – 65 AFA and a typical composition of Cr2O3: 46%, FeO: 27%, Al2O3: 15% and MgO:10%.


The Chromite Sand, has the advantage over silica sand that is less reactive with the manganese oxide, reducing, thus, the calcination problems.


The chromite sand is compatible with all chemical processes for molds and cores. Currently large amounts of chromite sand are used in the foundry industry for the manufacture of molds and cores.

Chromite Sand is applicable to all types of steels and very appropriate for parts of chrome, chrome-nickel, manganese steel.

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.
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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