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Chinese Ceramic Beads for RCS Application
Ceramic Beads
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Chinese Ceramic Beads for RCS Application
Chinese Ceramic Beads for RCS Application

Chinese Ceramic Beads for RCS Application

Ceramic beads, also named as cerabeads, ceramic sand, ceramcast, is a good artificial spherical grain shape which is made from calcined bauxite. Its main content is aluminum oxide and Silicon oxide. Applicate in RCS process, it has the properties of high temperature resistance, low expansion, easy collapse, and low gas output, which can effectively prevent expansion defects in castings. For cores with particularly complex shapes, can deal with the problem that sand shooting is not easy to compact. Meanwhile, due to it’s spherical property, it reduce the resin addition with good castings and lower cost.
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    Features

    Chinese Ceramic Beads for RCS Application2
    01

    • Uniform component composition
    • Stable grain size distribution and air permeability
    • High refractoriness (1800°C)
    • High resistance to wear, crush and thermal shock
    • Little thermal expansion
    • Excellent fluidity and filling efficiency owing to being spherical
    • Highest reclamation rate in the sand loop system

    Application Sand Foundry Processes

    01

    RCS (Resin coated sand)
    Cold box sand process
    3D printing sand process (Include Furan resin and PDB Phenolic resin)
    No-bake resin sand process (Include Furan resin and Alkali phenolic resin)
    Investment process/ Lost wax foundry process/ Precision casting
    Lost weight process/ Lost foam process
    Water glass process

    Chinese Ceramic Beads for RCS Application1

    Ceramic Sand Property

    Main Chemical Component Al₂O₃ 58-62%,

    Fe₂O₃＜2%,

    		 Al₂O₃ ≥53%,

    Fe₂O₃＜3.5%,

    		 Al₂O₃ ≥45%,

    Fe₂O₃＜4%,
    Grain Shape Spherical Spherical Spherical
    Angular Coefficient ≤1.1 ≤1.1 ≤1.1
    Partical Size 45μm -2000μm 45μm -2000μm 45μm -2000μm
    Refractoriness ≥1800℃ ≥1790℃ ≥1700℃
    Bulk Density 1.5-1.6 g/cm3 1.5-1.6 g/cm3 1.5-1.6 g/cm3
    PH 7.2 7.2 7.2
    Application Steel, Stainless steel, Iron Carbon steel, Iron Iron, Aluminum, Copper

    Grain Size Distribution

    Mesh

    		 20 30 40 50 70 100 140 200 270 Pan AFS Range

    μm

    		 850 600 425 300 212 150 106 75 53 Pan
    #400 ≤5 15-35 35-65 10-25 ≤8 ≤2 40±5
    #500 ≤5 0-15 25-40 25-45 10-20 ≤10 ≤5 50±5
    #550 ≤10 20-40 25-45 15-35 ≤10 ≤5 55±5
    #650 ≤10 10-30 30-50 15-35 0-20 ≤5 ≤2 65±5
    #750 ≤10 5-30 25-50 20-40 ≤10 ≤5 ≤2 75±5
    #850 ≤5 10-30 25-50 10-25 ≤20 ≤5 ≤2 85±5
    #950 ≤2 10-25 10-25 35-60 10-25 ≤10 ≤2 95±5

    description2

    Phone 0755-86299662
    Address The 2th floorB1 building,Xinfu industry park,Chongqing road,heping village,
    fuyong town,Bao'an district,Shenzhen,China 518103