ceramic sand AFS95-115 nice foundry sand precison casting sand
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China [CN] |
SiO2
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5– 15%
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Al2O3
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70–85%
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Fe2O3
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5%min
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TiO2
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5%min
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MgO
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0.5%min
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K2O
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0.5%min
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CaO
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0.5%min
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Grain shape
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Perfect round ball shape
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Color
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Brown-Black
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Angle index
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1 .1 max
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Size rang
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0.053-3.36mm
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Loose Bulk Density
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1.9 – 2.1 g/cm3
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Refractoriness
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2050°C
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Liner thermal expansion
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(200°C - 1000°C) 5×10-6/°C
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1
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Stabe quality on the chemical composition
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2
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Perfect grain round shape and various grain sizes
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3
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High gas permeability
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4
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High temperature resistance
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5
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Good break down and fast curing and good release
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6
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Perfectly round shape with higher fluidity improves fill-in efficiency while reducing the resin level
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7
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Smooth surface of spherical shape greatly improves collapsibility after pouring
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8
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Very low thermal expansion ensures fewer or no casting defects such as veining and deformation
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9
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Excellent thermal conductivity and heat absorption capacity close to that of Zircon
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10
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Superior refractory equivalent to Zircon and Chromites
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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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Ceramsite Sand
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Zircon Sand
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Chromite Sand
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PH Value
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7.65
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4.56
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8.24
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Bulk Density(g/cm3)
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1.95-2.05
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2.9-3.1
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2.6-2.7
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True Density(g/cm3)
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3.4
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4.4-4.71
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3.9-4.8
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Shape
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spherical
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Irregular
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Irregular
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Binder into water(Waterglass +CO2 Hardness)
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3-4%
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7-8%
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7-8%
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