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Plastics & Elastomers
The material selection platform
Plastics & Elastomers
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Technical Datasheet | Supplied by Hyundai EP
SLIMPOR® FI-201 by Hyundai EP is an expandable polystyrene (EPS) grade available in the form of beads. It is produced from polystyrene beads that are impregnated under heat and pressure with a light hydrocarbon such as pentane. Exhibits low heat conductivity, deterioration stability, and energy reduction. Is suitable for processing by foaming. SLIMPOR® FI-201 is recommended for insulation applications such as sound insulator. It complies with the RoHS regulation.
Product Type
PS or GPPS (Polystyrene) > EPS
Physical Form
Product Status

SLIMPOR® FI-201 Properties

Physical Properties

Value & Unit
Test Condition
Test Method
Bead Size
1.3 - 1.9 mm
( )
JIS Z 8801
Polystyrene Content
90 - 93 %
( )
Blowing Agent (Pentane)
5.5 %
( )

SLIMPOR® FI-201 Processing Guidelines

Foaming Properties

Value & Unit
Test Condition
Test Method
Pre-Expansion Density
< 18 kgf/cm2
< 0.5 %
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