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Synthos EPS® F21B

Technical Datasheet | Supplied by Synthos Group

EPS F21B by Ineos is a free flowing, flame retardant, expandable polystyrene (EPS) large block grade containing pentane as the expansion agent. Exhibits low to medium density and good processability. It is insoluble in water and soluble in aromatic hydrocarbons, halogenated solvents & ketones. Can be processed using foaming. EPS F21B is recommended for shape and block molding applications, well fused blocks for making insulation and construction products, elastified board for impact & airborne sound insulation. Complies with RoHS, WEEE, EC Regulation (EC) 1907/2006 (REACH), 1272/2008 (CLP), (EU) No 453/2010 and DIN4102, Part 1, B1.

Synthos EPS® F21B Properties

Physical Properties

Value & Unit

Test Condition

Test Method

Density, Bulk

620 kg/m³

Bead Size Class

1.0 - 1.6 mm

Bead Size Specification

0.8 - 1.8 mm

(> 95% between)

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