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Plastics & Elastomers
The material selection platform
Plastics & Elastomers
by SpecialChem
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Styrolution® PS 158N/L

Styrolution® PS 158N/L by INEOS Styrolution Group is a rapid freezing general purpose polystyrene (GPPS) grade. Exhibits high heat resistance and good impact resistance and transparency. Designed for injection molding process. Styrolution® PS 158N/L is recommended for manufacturing of expanded sheet and film, medical lab-ware. Suitable for XPS and blending with Styrolux and high impact polystyrene (HIPS) for increased heat stability. Complies with UL 94 HB Flame Rating (Antwerp only).
Product Type
PS or GPPS (Polystyrene) > PS (or GPPS)
CAS Number
Physical Form

Styrolution® PS 158N/L Properties

Physical Properties

Value & Unit
Test Condition
Test Method
Melt Volume-Flow Rate (MVR)
3.3 cm3/10min
(200°C/ 5 kg)
ISO 1133
1040 kg/m³
( )
ISO 1183
Water Absorption
< 0.1 %
(Saturated at 23°C)
ISO 62

Styrolution® PS 158N/L Processing Guidelines

Injection Molding Properties

Value & Unit
Test Condition
Test Method
Linear Mold Shrinkage
0.3 - 0.6 %
Melt Temperature Range
180 - 280 °C
Mold Temperature Range
40 °C
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