• Chemistry character: precipitation analysis Silicon Dioxide
• General character: high surface area and absorbing oil value, can partly substitute white carbon black with coatings, inks making, regarded as dispersant agent in powder system and as flow controlling agent in liquid system, and good thickening and anti-settling action
• Application: coatings, inks and more
• Appearance: very fine powder
• Losson drying: 105°C 2h, 4.0 to 8.0%
• Ignition loss: 1,000°C, ≤7.0%
• PH value: 6.5 to 7.5
• BET specific surface area: 210 to 250m²/g
• DBP absorption value: 2.3 to 3.4cm³/g
• SiO2: ≥98.0%
• Na2SiO4: ≤0.5%
• Fe: ≤160mg/kg
• Average particle: 3 to 5μm