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Plastics & Elastomers
The material selection platform
Plastics & Elastomers
by SpecialChem
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Styropek® BF 495

Technical Datasheet | Supplied by Styropek
Styropek® BF 495 by Styropek is a 100% recyclable, auto-extinguishable, flame retardant modified expandable polystyrene (EPS) grade. Offers excellent fusion and surface appearance. Contains medium pentane content (average of 6%) as an expanding agent and do not contain chlorofluorocarbons and hydrofluorocarbons compounds. Compatible with many anti-static additives, mineral oil, color additives and other additives added during processing. Available as white colored spherical beads with high densities and thickness of wall >6 cm. Is insoluble in water and of pentane odor. Styropek® BF 495 by Styropek is suitable for processing by foaming. Recommended for block molding applications, shape molding applications for machines without vacuum system and excellent cycle time. Can also be used in a wide variety of applications including blocks for construction, panels, ICF´s (insulated concrete forms), thin walled custom molding, lost foam, thermal & acoustical insulation and general packaging. Styropek® BF 495 by Styropek complies with UL 94 HF-1 flame rating (UL listing UL R38219), ICC-ES, FM, GREENGUARD, REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) and RoHS (Restriction of Hazardous Substances Directive) regulations.
Product Type
PS or GPPS (Polystyrene)
Physical Form

Styropek® BF 495 Properties

Physical Properties

Value & Unit
Test Condition
Test Method
Pentane Content
5.5 - 6.4 %
( )
Monomer Content
< 1000 ppm
( )
Bead Size
0.35 - 1.85 mm
(97% min)
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