Material Notes:
ONGROSTYR F-IV is an expandable, flame-retardant styrene homopolymer, produced by suspension polymerization. The product meets the requirements of DIN 4102 and of B1 class of building materials, i.e. "low inflammability grade". Field of application: ONGROSTYR F-IV is suitable for traditional and vacuum molded processing. The minimum apparent density of the end-product is 12 kg/m3, by post-foaming it is 8 kg/m3. This type is recommended for insulation in the building industry and for light blocks with recycled flame retardant EPS and sound absorbing flooring sheets.Information provided by BorsodChem Rt.