SELF-EXTINGUISHING EPS (Expandable polystyrene): F grades Mainly used for panel applications, housing, constructions. Oxygen index is above 30. The general specification: Characteristics: Flame retardant Blowing agent: 6-6.5% Residual monomer: max.0.3% Moisture: max.0.5% F-MS 1.0-1.6 mm Heavy duty block sheet and lightweight molding 16 ~ 18 g/l F-SA 0.8-1.2 mm Middle density applications 18 ~ 20 g/l F-SB 0.6-0.9 mm High density application 20 ~ 25 g/l F-S 0.4-0.7 mm Contour cutting 25 ~ 33 g/l