This textile offers remarkable acoustic absorption, and is rated M1 flame-retardant, making it an ideal solution for highly absorbent acoustic curtains.Composed of 20% viscose and 80% cotton, this thick fleece material is brushed on both sides to give it a wool serge appearance in deep jet-black.Perfectly opaque, our Serge Absorber CO material can also be used for making stage curtains and black boxes, screen curtains, linings and even tensioned for wall hangings.Width: 300 cmWeight: 500 g/m²Flame-retardant rating: M1 B1Composition: 80% Cotton – 20% Viscose
