Silica and Alumina based Cenosphere is filled with air and/ or gases. The Cenosphere has density ranging from 0.68 to 0.8g/ cc. The Cenosphere is absorption resistant in nature. The Silica and Alumina based Cenosphere has inert properties that make them not affected by solvents, water, acids or alkalis.
Silica And Alumina Based Cenosphere - Indian Products Directory