China Cerabeads, called ceramisite sand, ceramic foundry sand and cerasand too, is made from high quality bauxite, by re-fused and blown to ball type. With advantage of fine surface smooth finish and air permeability, it is a new type casting material for precision casting, coated sand and self hardening sand etc

 

Size: 10mesh-300mesh

AFS25-AFS125

 

 

Al2O3≥75%

 

Fe2O3≤5% 

 

TiO2 ≤5%

 

SiO2:5%-20%

 

 

 

Physical Properties:

 

Shape: ball, spherical

 

Angularity: 1.1 max, similar to ball

 

Bulk Density: 1.95-2.05(g/cm3)

 

Refractoriness: 1790 C min

 

Thermal expansion: 0.13% (10 min at 1000 C )

 

 

 

Application:

 

Waterglass bonded sand, resin bonded sand, precision casting, Expendable Pattern Casting (EPC), Copper and Aluminium articles casting treatment.

 

Advantages:

1. replacement of Quartz Sands and Silica Sands

2. Low thermal expansion rate

3. high refractoriness

 

Bauxite (aluminous soil; Bauxite) is also called the alumina or bauxite, main ingredients are alumina, hydrated alumina containing impurities, is an earthy mineral. White or gray, brown and yellow or light red by iron. From 4 to 3.9 g/cm3 density, hardness, 1 ~ 3 is not transparent, very brittle. Very difficult to melt. Insoluble in water, soluble in sulfuric acid, sodium hydroxide solution. Mainly used for aluminium, refractory material.