Aluminium Silicate

TYPICAL CHEMICALS SPECIFICATIONS

• TYPICAL CHEMICAL ANALYSIS
• Silica (%) (SiO₂) 67.50
• Alumina (%) (Al₂O₃) 20.87
• Sodium (%) (Na₂O) 2.0
• Ferric Oxide (%) (Fe₂O₃) 0.04
• Titania (%) (TiO₂) 0.1
• Magnesia (%) (MgO) 0.65
• Calcium Oxide (%) (CaO) 0.4
• Loss on Ignition (%) 6.35
• Soluble Salt (%) 2.09

• Colour Fine white
• Material free from
• any contamination.
• Moisture at 105 degree C (% Max.) Below 1.45
• Specific Gravity 2.5
• Bulk Density (gm/cc) 0.42
• pH (of sqocous extract) 7.5 + 0.5
• Brightness Reflectance value
• Measured against freshly deposited
• MgO 90 + 2
• Residue on 300 mesh BSS 0.3 % Max.

• Colour & Appearance White
• SiO₂ % 68
• Na₂O % 1.0
• Fe₂O₃ % 0.05
• Al₂O₃ % 21
• Soluble Salts % 0.40
• Moisture % 1.0 Max.
• Bulk Density gm/cc 0.59
• pH Value 8 to 9
• Particle micron 5.0
• Residue on 300 mesh % 0.2 Max.
• Specific Gravity 1.95
  

• 1 Appearance White free flowing: powder
• 2 Bulk Density
• (Loose density) 0.076
• (Tapped density) 0.115 gm/cc
• 3 Moisture at 105^oC 4.8%
• L.O.I at 1000^oc
• (any hydrous basis) 8.2%
• 5 pH (5% suspension) 8.4%
• Si0₂ content
• (an hydrous basis) 83.6%
• Al content as Al ₂O₃
• (an hydrous basis) 8.1%
• Na content as Na₂O
• (an hydrous basis) 8.2%
• Fe content as Fe₂O₃
• (an hydrous basis) 280 PPM
• 10 325 Bs Sive (wet) 99.62%
• Surface are
• (BET  N2 Absorption) 89 m2/gm
• 12 Water absorption 210%
• 13 Luminance Factor 96