MD-XFR is a top quality, self extinguishing extra fire retardant, extreme low smoke (ASTM E-84) and low toxicity (BS 476) modified acrylic resin grating. The MD-XFR series are developed for applications where emission is not allowed and specific chemical resistance is required. The MD-XFR resin system is specially formulated to exhibit a flame spread rating at 15 or less and a smoke development index of 45 or less as tested according to ASTM E84 tunnel test.