What is Ceramic Foundry Sand
Ceramic Foundry Sand, technically named as “Fused Ceramic Sand for Foundry”, also named as ceramsite, is good spherical grain shape which is made from calcined bauxite. Its main content is aluminum oxide, and it is processed by melting, blowing, sieving and blending. Ceramic sand, has much better properties than that of silica sand to gain a better performance in foundry. It has high refractoriness, stable inert characteristics, excellent flowability, intrinsic hardness and wear resistance.
Ceramic Foundry Sand Property
TYPICAL CHEMICAL ANALISIS [%]:
| Al2O3 | Fe2O3 | SiO2 | FeO | MgO | CaO | TiO2 | Na2O | K2O | LOI |
| 70-73 | 0.3max | 20 | / | / | / | 3.5max | / | / | < 0.09 |
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 )
SIZE:
AFS25-35; AFS25-30; AFS30-35; AFS35-40; AFS40-45; AFS45-50; AFS40-50; AFS50-55; AFS55-60; AFS60-65.
MOSTLY USED AS :
Waterglass bonded sand
Resin bonded sand precision casting Expendable Pattern Casting (EPC) Copper and Aluminium articles casting treatment.
PACKING:
25kgs Pvc bags+1MT big bag