Fire and SAG resistanct acoustical panel

摘要

A ceiling panel structure which includes a fire retardant mat. The fire retardant mat includes a fire retardant fiber component and a binder material which binds the fibers. The fire retardant fiber component includes natural fibers treated with a fire retardant. The ceiling panel structure has flame spread index of 25 or less and a smoke generation index of 50 or less, as measured by ASTM E 84 that is uniform throughout the mat.