1.PPT silcia (particle size 3-8um). 2.Special for paints, coating,ink. 3.high ... powderHigh BET and oil absorptionSpecial for paints, coating, inks, etc.Particle size 3-8 um.Any special demands, pls tell us. ItemvalueBET ... %4.0-8.0Loss on Ignition 1000°C%≤7.0Average Particle Size μm3-8SiO2 content %≥9845μm water wash sieve residue %≤0 ...