Johns Manville Q-Fiber® Felt is formed from exceptionally pure silica fibers using a water deposition process. It is clean, flexible, binderless, and possesses the thermo-physical and chemical stability of pure amorphous silica. Q-Fiber Felt is effective in a wide range of applications and provides superior thermal and acoustic performance for aircraft, missiles, spacecraft and special industrial applications. It offers high heat resistance, remaining effective up to 1800°F (982°C) for steady state applications.