Material Guide   A range of Expanded & Extruded Polystyrene's are available in a choice of different densities ( 10 - 40 kg/m3) . Flame retardant materials come as standard (at no extra cost) on all "Expanded Polystyrene" displays, materials are manufactured to using flame retardant additive in line with BS.3837 Part 1. A range of specialized styrospray's are available to enhance the surface finish of the Display / Model, these will provide a range of textures to increase hardness/flexibility and high impact resistance of the finished job. When fully cured the surfaces will have improved flame retardant properties and can be painted. Material Density Range Additive Type Application Loose Fill Various Standard Recycled Expanded Polystyrene Low Cost, Packaging Void Fill for irregular Shaped items. Polystyrene 10-40 kg/m3 Standard Fr Additive (BS3837 Part1) Expanded Extruded Cost Effective General Packaging, Insulation & Display Polyurethane Foam 12-30 kg/m3 Standard F.r Additive Antistatic Polyether P.U Foams General Purpose Protective Packaging Polyurethane Foam H.L.B Standard F.r Additive Polyether High Impact Protective Packaging Reconstituted Foam 80-240 kg/m3 Standard Chipfoam General Purpose High Impact Low Cost Packaging Polyethylene 15-120 kg/m3 Standard F.r Additive Antistatic Cross linked General Purpose Compression Mouldings Dunnage inserts Gaskets, Packaging Plastazote 18-300 kg/m3 Standard F.r Additive Antistatic Closed Cell Cross Linked High Value Component Re-usable Packaging, Case Inserts Sealing Gaskets, Sports & Leisure Self Adhesives Various Standard Acrylic Modified Solvent Backing for most Foams Please click Here for a technical document from the British Plastics Federation     Styro-Tech Ltd, Unit 5, Kingfisher Est, Charles St, West Bromwich, West Midlands, B70 0AT Tel: 0121 520 6343 Fax: 0121 520 4851 Email:info@styrotech.uk.com