chromite sand for foundry

Category: Chrome Ore >>>
Supplier: Zhengzhou Haixu Abrasives Co. Ltd.

Price:RUB 24,511.06

Quantity:

Product Overview

Description

Product Description

chromite sand for foundry is a naturally occurring spinel consisting primarily of the oxides of chrome and iron. It is a by-product of ferro-chrome production and is mainly used in foundry applications and in glass production. chromite sand for foundry use as a highly fireproof sharpener for moulds and cores. Originally from South Africa. 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.

Available Sizes:AFS20-25 AFS25-30 AFS30-35 AFS35-40 AFS40-50 AFS40-45 AFS45-50 AFS50-55 AFS55-60 AFS60-65
Chemical Composition of chromite sand for foundry is:

Cr2O3	≥46.0%
FeO	≤26.5%
Al2O3	≤15.5%
SiO	≤1.0%
MgO	≤10.0%
CaO	≤0.30%
Cr/Fe	1.55:1

Physical composition:

Appearance	Black
Melting point	2150°C
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