... tunneleffect. Easily dispersed in mediums Good suspension property and thixotropy. Product name: Nanometer silicon dioxide CAS No.: 14808-60-7 ... powder 30±5 99.5 150-300 5-7 Application: Rubber: improve intensity, tenacity, anti-aging, re-attrite and ... ability of sealant. Other industries: used in electronic encapsulation, polymer of macromolecule, paint, adhesive, functional fiber, cosmetics and many ...