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South africa Foundry chromite sand for sale

Offer Description - South africa Foundry chromite sand for sale

Physical and chemical index of Foundry chromite sand for foundry:

Physics

Index

Chemistry

Index

Bulk Density

2.5-3g/cm³

Cr2O3

≥46.0% 

PH Value

7-9

SiO2

≤1.0%

Cr/Fe

1.55:1

Fe2O3

≤26.5%

   Filling Density

2.6 g/cm³

CaO

≤0.30%

Percent Moisture

≤0.1

MgO

≤10%

The sintered

1600°C

AI2O3

≤15.5%

Sintering Temperature

2180°C

P

≤0.003%

     Melting Point

>1800°C

C

≤0.003%

Regular size

                             AFS 25-35 AFS25-30 AFS30-35 AFS35-40                                             AFS40-45 AFS45-50 AFS50-55 AFS55-60 AFS60-65

 The production process of of Foundry chromite sand for foundry:
Step1: chrome ore raw material is processed by water washing.
Step2, drying raw materials to remove water;
Step3, drying raw materials into the vibrating screen, screening out the size of the customer needs;
Step4, the size of the sieve for magnetic separation, the purpose of iron and silicon removal. After magnetic separation, the chromium content reached more than 46% and the silicon content was less than 1%.
Step5: package the finished product.

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360 USD
Country: China
City: zhenghou

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note_add 25/11/2019
update 06/04/2020
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