Fused
Ceramic Sand
Ceramic foundry sand called China
Cerabeads, ceramsite sand ,china Cerabeads 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.
Chemical data
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Al2O3
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70-85%
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SiO2
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5-15%
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Fe2O3
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5%max
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TiO2
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5%max
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MgO
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0.5%max
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K2O
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0.5%max
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CaO
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0.5%max
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Physical
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Grain shape
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Perfect round ball
shape
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Loose Bulk Density
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1.9 – 2.1 g/cm3
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Color
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Brown-Black
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Refractoriness
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2050℃
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Angle index
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1 .1 max
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Liner thermal expansion
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(200℃ - 1000℃)
5×10-6/℃
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Size rang
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0.053-3.36mm
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Application
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1
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Widely used in foundry technique like resin-bonded sand, sodium silicate sand, and clay- bonded sand for sand core and casting mould making
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2
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Replace chromite sand and widely used in sand core making like jacket core, oil duct core, tappet core of engine.
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3
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Replace chromite sand for steel casting facing sand and sub-layer of molding sand (backing sand).
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4
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Widely used as dry sand and sand box for EPC process and V method of casting processes.
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5
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Widely used as the main raw materials of advanced refractory products (Ladle drainage sand,gravity casting material, casting coating, etc.).
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6
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Widely used as cleaning sand for copper and aluminum alloy castings
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