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40 mesh ceramic foundry sand for steel casting

Ceramic foundry sand, also known as fused ceramsite, ceramsite sand, jewelry sand, scientific name fused ceramic sand which is made from high-quality bauxite through calcination, electrofusion, granulation, sieving and other processes. It is an environmentally friendly sand for green casting.
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  • 40 mesh

Introduction


Ceramic foundry sand, also known as fused ceramsite, ceramsite sand, scientific name fused ceramic sand which is made from high-quality bauxite through calcination, electrofusion, granulation, sieving and other processes. It is an environmentally friendly sand for green casting which can be widly used in casting, molding, polishing and painting.



Physical Performance

Particle shape
BallExpansion coefficient
(20-1000℃) 6*10-6/℃
ColorDark BrownParticle size6-320mesh (0.053-3.36μm)
Refractoriness≥1800℃Al2O365-80%
Bulk gravity
1.95-2.05 g/cm3SiO210-20%
Density3.4 g/cm3TiO2≤3.5%
Thermal conductivity
(1200℃)5.27W/M·KPH7-8




Application for Steel Casting 


Ceramic foundry sand is s green casting sand. It has been widely used in steel casting in recent years.

Because of its high refractoriness, it can be made into steel molds to produce precision steel castings, and can also be used to produce automotive castings and parts.

It has the advantages of high temperature resistance, no crushing, no dust, spherical shape, high air permeability, good filling, and no harm of silica dust.