Cenosphere / Hollow Ceramic Microspheres Gwosè patikil: 20-70mesh 40mesh 50mesh 60mesh 80mesh 100mesh 150mesh.etc Koulè: ranje sòti de gri a gri limyè. Aplikasyon: Foundry, Refractory, Constructions, Drilling lwil, Paint Coatings, Plastik, oto