Recyclable chrome ore nuggets for foundry

Product Detail

Moisture (%):0port:Tianjin, Qingdao, Yiwu, Shanghai, Guangzhou
product name:Recyclable chrome ore nuggets for foundryOrigin:Henan, China
Supply capacity:888 tons per monthCertificate:ISO9001:2008
brand:Haixu abrasivepH:7-9
type:finePackaging Details:1.25kg woven bag, 40pcs woven bag/big bag 2.25kg woven bag, 40pcs woven bag/tray 3.25kg paper bag, 40pcs paper bag/tray 4.25kg paper bag, 40pcs paper bag/carton 5. Customized packaging
color:bright blackhardness:Mohs 5.5-6
payment terms:L/C, Western Union, D/P, D/A, T/T, MoneyGramConcentrated or not:non-concentrated
chemical composition:46% Chromium trioxideapplication:casting
Melting point:>1800℃delivery time:3-10 days
Bulk density:2.5-3 g/cm3model:AFS25-30~AFA60-65
Advantage:Alkali resistancePackage preview:
size:AFS25-30~AFA60-65Cr2O3 (minimum):46%
Product Description
Recyclable chrome ore nuggets for foundryAlso known as chromite sand, it is a special sand for casting. It is a natural spinel mainly composed of chromite. After crushing, grinding, and screening, it is divided into specified particle sizes, which is suitable for molding (core making) sand. Chromium ore can be divided into primary Cr2O3 (>45%) and secondary Cr2O3 (>35%) according to chemical composition.
feature:
1. Heating volume stability
2. High thermal conductivity
3. Strong alkali resistance
4. Solid phase sintering, non-sticky sand
Specification
chemical composition
Chromium trioxide
≥46.0%
silica
≤1.0%
iron oxide
≤26.5%
Calcium Oxide
≤0.3%
magnesium oxide
≤10%
Aluminum oxide
≤15.5%
P
≤0.003%
small
≤0.003%
Chromium/Fe
1.55:1
Typical Physical Properties
hardness:
Mohs: 5.5-6
Melting point:
Sublimation at 2180℃
Sintering point:
>1800℃
Sintered
1600℃
proportion:
4.0-4.8 g/cm3
Bulk Density (LPD):
2.5-3 g/cm3
color:
Black
pH
7-9
Percentage of free acid in sand
0%
amount of acid
≤2ML
soil percentage
≤0.1
Moisture percentage
≤0.1
available size
AFS15-20, AFS15-25, AFS25-35, AFS25-30, AFS30-35, AFS35-40, AFS40-45, AFS45-50, AFS40-50, AFS50-55, AFS55-60, AFS60-65 customized size available available on request
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