Kupper Ceramsite Sand

As a quality-oriented organization, we are focused to manufacturing,
exporting, trading and supplying Kupper Ceramsite Sand in Zhangdian, Shandong, China.
Kupper Ceramsite - An Artificial Foundry Sand, Substitute For Chromite Sand, Zircon Sand, Cerabeads and Silica Sand

"CERAMSITE" was then also called "CERASITE", "CERAXITE", "CERASAND", "CERAMIC FOUNDRY SAND" and "SUNPEARL" by our customers in other countries. It is a kind of brand new artificial foundry sand, originally coming from China only. With much better comprehensive property and price comparison, it is regarded as the right substitute for chromite sand, cerabeads, zircon sand and silica sand. By over 10 years application in world casting industry, it is now well known as a revolution for new foundry sand. By choosing our ceramsite as a cost effective foundry sand, you will surely save production costs and improve your casting quality.
Please find its chemical compositions and physical properties as follows:
Al2O3: 75 ~ 80%
SiO2: 8 ~ 25%
Fe2O3: 5%Max (normal grade: Fe2O3 <= 5%, special grade: Fe2O3 <= 3%)
TiO2: 5%max
Refractoriness: 1, 790 degrees centigrade
Angle coefficient: 1.1max
Thermal expansion (at 100 deg C): 0.15
Thermal conductivity: 0.196 w/m@k
Specific heat: 873 J/kg.
Bulk density: 1.95 ~ 2.05 g/cm3