1. Particle size 10-20nm 2. Purity 99.8%+ 3. Use in textile Super-Hydrophobic Oleophilic Sio2 Powder in Textile:It can be dispersed into nonpolar and weak polarity organic solvent, and can steady disperse until transparent condition in many mediums.It is mainly used in lubricant grease, resin, adhesive, elastomer, senior printing ink, encapsulant, simonize, leather, heavy-duty coating, etc.