Chromite Sand Chromite sand is the good foundry material for its high thermal resistance, fast chilling capacity and resistance to liquid metal penetration. Chromite sand typical composition is：Cr2O3: 46%, FeO: 27%, Al2O3: 15% and MgO:10%. PHYSICAL PROPERTIES(TYPICAL)  AVERAGE CHEMICAL COMPOSITION(TYPICAL) PH 7-9 Cr2O3 ≥46.0% Color Black SiO2   ≤1.0% Acid Amount ≤2m Fe2O3 ≤26.5% Soil% ≤0.1

Chromite sand 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. Technical Data Sheet of Foundry Chromite sand:  CHEMICAL COMPOSITION Cr2O3 ≥46.0% SiO2 ≤1.0% FeO ≤26.5% CaO ≤0.3% MgO ≤10% AL2O3 ≤15.5% P

Technical Data Sheet of Foundry Chromite sand:  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℃ The sintered 1600℃ Specific Gravity: 4.0-4.8 g/cm3 Bulk density(LPD): 2.5-3 g/cm3 Color: Black PH 7-9

Chromite sand 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. TYPICAL CHEMICAL ANALISIS [%]: Cr2O3 SiO2 FeO CaO MgO Al2O3 P S Cr/Fe ≥46.0 ≤1.0% 26.2 0.3 9.8 15.5 0.003 0.003

Chromite sand is used in the metal casting industry due to its high thermal conductivity providing the chilling effect. Chromite has a low thermal expansion which helps eliminate expansion defects. Chromite sand has a glossy black appearance and has a greater resistance to metal penetration than zircon. It has a higher acid demand than other

COA of the chromite sand. Chromite sand is used in the metal casting industry due to its high thermal conductivity providing the chilling effect. Chromite has a low thermal expansion which helps eliminate expansion defects. Chromite sand has a glossy black appearance and has a greater resistance to metal penetration than zircon. It has a