Felcosil-185GR Granular Precipitated Silica form with low dust, it can be dissolved by NaOH,HF. Other kinds of acid, water and solvents cannot dissolve the product.
Flecosil-300 high oil absorption silica has a large surface area and a higher number of active surface functional groups, significantly enhancing the mechanical properties of rubber products, such as tensile strength, tear strength, and wear resistance.
