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south Africa chromite sand for foundry south Africa chromite sand for foundry

AFS40-45 AFS45-50 AFS 50-55 AFS55-60 AFS55-65

Cr2O3: ≥46.0%
SiO2: ≤1%
filling density: 2.6g/cm³
Price: USD 485.00/ton
MOQ: 1 ton

Description

Chromite sand , Is a special kind of sand for casting , It is a natural spinel mainly composed of chromite ,It is crushed , ground and screened into specified grain size , which is suitable for molding (core-making ) sand

chromite sand specification is as follows:

Origin:south africa

Item

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

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

2.6g/cm³

sintering point

> 1800°C

melting temperature

2180°C

Regular size

AFS40-45 AFS45-50 AFS 50-55 AFS55-60 AFS55-65

Packing:1MT big bag

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zzhaixu03

Tel: 8618039336686
Address:
Road, Henan, China, 450000

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