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Specifications

CALCINED KAOLIN POWDER                                        
RKC-20A:Brightness(ISO):90.0 min      Particle Size -2μm%/mesh:20% min/325    
Screen residue (325 mesh, %)      :0.1 max   Oil Absorbency (g/100g):25
PH:6.0-7.0     Moisture (%):0.6 max     SiO2:53.7(%) Al2O3:44.97(%)
Fe2O3:0.35(%) TiO2:0.2(%) CaO:0.3(%)  MgO:0.15 (%)     K2O:0.03(%)
Na2O:0.15 (%)    R2O:0.4 (%)     RO:0.5 (%)      
Application:Replacer for alumina in ceramic glaze
 
RKC-50:Brightness(ISO):92-93      Particle Size -2μm%/mesh:50% min/1250
Screen residue (325 mesh, %)      :0.05 max  Oil Absorbency (g/100g):45
PH:6.0-7.0  Moisture (%):0.6 max        SiO2:53.7(%) Al2O3:44.97(%)
Fe2O3:0.35(%)  TiO2:0.2(%)     CaO:0.3(%)    MgO:0.15 (%)    
K2O:0.03 (%)   Na2O:0.15 (%)    R2O:0.4 (%)   RO:0.5 (%)    
Application:Filler for paint, replacer for titanium in pigment
 
RKC-60:Brightness(ISO):92-93     Particle Size -2μm%/mesh:60% min/2500
Screen residue (325 mesh, %):0.005 max  Oil Absorbency (g/100g):55
PH:6.0-7.0     Moisture (%):       0.6 max     Mg/2000:3.6   SiO2:53.7(%)
Al2O3:44.97(%) Fe2O3:0.35(%) TiO2:0.2(%) CaO:0.3(%)
MgO:0.15 (%)     K2O:0.03 (%)  Na2O:0.15 (%)     R2O:0.4 (%)RO:0.5 (%)   
Application:Filler for paint replacer for titanium in pigment
 
RKC-80:Brightness(ISO):92-93     Particle Size -2μm%/mesh:80% min/4500
Screen residue (325 mesh, %):0.004max  Oil Absorbency (g/100g):66
PH:6.0-7.0    Moisture (%):0.6 max      Mg/2000:4.0    SiO2:53.7(%)      
Al2O3:44.97(%) Fe2O3:0.35(%) TiO2:0.2(%)   CaO:0.3(%)   
MgO:0.15 (%)     K2O:0.03 (%)  Na2O:0.15 (%)     R2O:0.4 (%)     RO:0.5(%)
Application: Paper coat
 
RKC-90:Brightness(ISO):92-93     Particle Size -2μm%/mesh:90% min/6000
Screen residue (325 mesh, %)      :0.002 max  Oil Absorbency (g/100g):70
PH:6.0-7.0   Moisture (%):0.6 max        M g/2000:3.6  SiO2:53.7(%)      
Al2O3:44.97(%) Fe2O3:0.35(%) TiO2:0.2(%)   CaO:0.3(%)   
MgO:0.15 (%)     K2O:0.03 (%)   Na2O:0.15 (%)    R2O:0.4 (%)     RO:0.5(%)
Application:Paper coat