High quality foundry chrome sand free sample for sale
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$530.00 / 1 - 99 pieces
$520.00 / 100 - 999 pieces
$500.00 / >=1000 pieces - 1 piece
- Henan Abrasivestocks Technology Co., Ltd.
- Henan, China
- Mr Andy Song
Product Detail
| chemical composition: | Cr2O3 46% minimum | Packaging Details: | 25kg per barrel, 500kg per pallet |
| Origin: | Henan | Bulk density: | 2.5-3 g/cm3 |
| Package preview: | chemical composition: | Cr2O3 46% minimum | |
| Iron oxide: | Maximum 26.5% | port: | Shanghai/Tianjin/Qingdao |
| pH: | 7-9 | type: | my mine |
| model: | CS45 CS35 | brand: | stock |
| payment terms: | L/C, Western Union, D/P, D/A, T/T | size: | According to customer's request |
| Cr2O3%: | Minimum 46.0% | Supply capacity: | 1000 tons per month |
| Cr2O3 (minimum): | 46%min | Moisture (%): | 0.2% MAX, 0.1% max |
| color: | Black | Concentrated or not: | Whether to concentrate |
Product Description
Chrome ore
Chromite sand is a special sand for foundry. 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
Advantages of chromite sand
Compared with silica sand, chromite sand can avoid most of the sand sticking to the casting, so it can also save the cost of surface treatment. Additionally, chromite can be recycled multiple times for use in different technologies.
Among all the chromite ore in the world, the chromite ore produced in South Africa is of the best quality. Therefore, Haixu Abrasives imports raw chromite ore from there and refines it to a higher purity, reaching 46% Cr2O3.
Technical data sheet:
| 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 | |
How does a foundry choose a grain size?
Generally speaking, the smaller the casting that needs to be made, the finer the grain size that the foundry will use. The image below is shown for reference:
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Less than 500KGS
|
500-1000KGS |
1-10 tons |
10-30 tons |
30-100 tons |
|
40-70 |
45-50 |
45-50 |
40-45 years old |
35-40 |
VIEW MORE
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