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Plastics & Elastomers
The material selection platform
Plastics & Elastomers
by SpecialChem
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Styropek® BFL 397S

Technical Datasheet | Supplied by Styropek
Styropek® BFL 397S by Styropek is a 100% recyclable, auto-extinguishable, flame retardant modified expandable polystyrene (EPS) grade. Offers fast cycle and excellent surface appearance. Contains medium pentane content 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 pentane odored, white colored spherical beads and is insoluble in water. Styropek® BFL 397S by Styropek is suitable for processing by foaming. Recommended for short age shape molding applications requiring modified material or high density block molding applications. Can also be used in a wide variety of applications including blocks for panels, general insulation, below grade use, fabrication, flotation, ICF´s (insulated concrete forms), thick or thin walled custom molding and general packaging. Styropek® BFL 397S 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® BFL 397S Properties

Physical Properties

Value & Unit
Test Condition
Test Method
Pentane Content
3.45 - 3.65 %
( )
Monomer Content
< 1000 ppm
( )
Bead Size
0.60 - 1.25 mm
(97% min)
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