46%Cr2O3 Foundry chromite sand used for steel casting
USD $550 - $690 /Metric Ton
Min.Order:20 Metric Tons
ZHENGZHOU HAIXU ABRASIVES CO.,LTD
46%Cr2O3 Foundry chromite sand used for steel casting
Foundry Chromite Sand for foundry use as a highly fireproof sharpener for moulds and cores. Originally from South Africa (SAMANCOR). 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.
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:1MT big bag