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chromite ore sand for Foundry
 

 
Product Name: chromite ore sand for Foundry
Trade Mark:
Model: AFS25-30,AFS30-35,AFS35-40,AFS40-45,AFS45-50
Place of Origin: China(Mainland)
Price Terms: FOB Lianyungang
Payment Terms: T/T
Packing: 1MT/BAG
Delivery Lead Time: By sea 5-7 days
Minimum Order: 1 MT
Certification: ISO 9001?2015
Detailed Description:
Description?
Foundry chromite ore sand is a special sand for foundry. It is a natural spinel dominated by chromite sand from South Africa. After crushing, grinding and sieving in our factory in China, it is divided into prescribed grain size, and is suitable for sand for mounding (core-making). Chromium ore sand can be divided into two grades according to chemical composition, first grade Cr2O3 (> 45%) and second grade Cr2O3 (> 35%).

Characters:
1. Heated Volume Stability
2. High thermal conductivity
3. Strong alkali resistance
4. Solid phase sintering, non-sticking sand

Application?
1.Chromite Sand 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 a high refractoriness and a broad sieve distribution.
2.Chromite Sand in the steel industry
? In steel production, Chromite Sand is used as well filler for protection of the sliding gate in large steel holding ladles.
3.Chromite Sand in the glass industry
? When ground to a fine flour, Chromite Sand is used as colorant for the production of green glass beverage containers.

CHEMICAL COMPOSITION
Cr2O3 ?46.0%
SiO2 ?1.0%
FeO ?26.5%
CaO ?0.3%
MgO ?10%
AL2O3 ?15.5%
P ?0.003%
S ?0.003%
Cr/Fe 1.55:1
TYPICAL PHYSICAL PROPERTIES
Hardness: Mohs:5.5-6
Melting Point: Sublimes at 2180 ?
Sintering point: ?1800?
Specific Gravity: 4.0-4.8 g/cm3
Bulk density(LPD): 2.5-3 g/cm3
Color: Black
PH 7-9
Percentage of free acid present in the sand 0%
The amount of the acid ?2ML
Percentage of soil ?0.1
Percentage of Moisture ?0.1
AVAILABLE SIZES
AFS25-35,AFS25-30,AFS30-35,AFS35-40,AFS40-45,AFS45-50,AFS40-50,AFS50-55,AFS55-60,AFS60-65

  Contact Detail:
Address: Songshan Road
Postcode: 450000
Telephone: 86 0371 60900389
Fax: 86 0371 60305637
Website: http://www.hxabrasive.cn
Marketing man : PanChen
Phone/Mobile: 13526538098
Email: panchen@hxabrasive.com

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