Specification Test Results

• Appearance:
  White to off-white Powder
• Particle size:
  ≤5 % (<40 µm)
• Specific surface area:
  185 to 225 m²/g
• pH:
  6.5 to 7.5 (10% aqueous suspension)
• Sodium oxide (Na2O):
  ≤0.4 %
• Silicon dioxide (SiO2):
  ≤0.03 %
• Iron(III)oxide (Fe2O3):
  ≤0.03 %