Chromite powder
Chromite sand is an iron chromium oxide found naturally in the earth crust. It is by far the most industrially important mineral for the production of metallic chromium, used in the production of Stainless and Tool Steel. It is also used as a refractory material because of its high heat stability. The chromium extracted from chromite sand is used in Chrome plating & alloying for production of corrosion resistant super alloys. Chromium is also used as a pigment for glass, glazes & paints and as an oxidizing agent for tanning leather.
Chemical-Physical Properties:
Term | 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 | 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 | 2.6g/cm³ | ||
sintering point | > 1800°C | ||
melting temperature | 2180°C |
Chromite Powder Synonyms:
Chromite Powder, Chromite Flour, Cr2O3 Powder, Cr2O3 Flour
Chromite Powder Available Sizes:
0-1mm 200mesh 300mesh 400mesh 325mesh
Applications:
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 high refractoriness and a broad sieve distribution.
In the steel industry
In steel production, Chromite Sand has used filler to protect the sliding gate in large steel holding ladles.
In the glass industry
When ground to a fine flour, Chromite Sand is used to producing green glass beverage containers.
Chromite powder 325#:
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