Ceramsite( Ceramic foundry sand) is one kind new casting sand-Ceramic beads ,good round shape, glazed surface and compact inner, excellent refractoriness, good re-generation , so our sand can good instead of  Chromic sand ,Zircon sand and Silica sand, use in steel and iron casting,  reduce more cost,special use in RCS sand, resin sand moulding and  lost foam casting, good use in Japan, korea, Germany.

Chemical composition

 Al2O3  70-80%,  Fe2O3 2.5%max   TiO2  5%max     

SiO2  8-20%    K2O 1%max    NaO 0.5%max     

 Physical Properties

Granular shape    ball type,  angle factor 1.1

Particle size       AFS30 ,AFS40, AFS45, AFS55, AFS65….AFS200

Bulk density       1.9-2.2g/cm3

Refractoriness     1770℃min(SK35)

PH               6-8

Applications

1.      Foundry sand, making mould, core , resin costing sand or lost foam casting.

2.      Foundry coating materials.

3.      Sand blasting

4.      Clearning

5.      Precision casting