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This is the free Material Data Center Datasheet of Styrolution® PS 454N - PS-I - INEOS Styrolution

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Processing/Physical Characteristics - Mechanical properties - Thermal properties - Electrical properties - Other properties - Test specimen production - Diagrams

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Product Texts

Styrolution® PS 454N is an impact resistant polystyrene with a good balance of toughness, high flow, heat resistance and high gloss.

Processing/Physical Characteristics	Value	Unit	Test Standard
ISO Data
Melt volume-flow rate, MVR	14	cm³/10min	ISO 1133
Temperature	200	°C	-
Load	5	kg	-
Density of melt	935	kg/m³	-
Thermal conductivity of melt	0.165	W/(m K)	-
Spec. heat capacity of melt	2290	J/(kg K)	-
Ejection temperature	81	°C	-

Mechanical properties	Value	Unit	Test Standard
ISO Data
Tensile Modulus	2200	MPa	ISO 527
Yield stress	27	MPa	ISO 527
Yield strain	1.4	%	ISO 527
Nominal strain at break	25	%	ISO 527
Charpy impact strength, +23°C	150	kJ/m²	ISO 179/1eU
Charpy impact strength, -30°C	120	kJ/m²	ISO 179/1eU
Charpy notched impact strength, +23°C	16	kJ/m²	ISO 179/1eA

Thermal properties	Value	Unit	Test Standard
ISO Data
Temp. of deflection under load, 1.80 MPa	78	°C	ISO 75-1/-2
Temp. of deflection under load, 0.45 MPa	82	°C	ISO 75-1/-2
Vicat softening temperature, B	82	°C	ISO 306
Coeff. of linear therm. expansion, parallel	100	E-6/K	ISO 11359-1/-2
Burning Behav. at 1.5 mm nom. thickn.	HB	class	IEC 60695-11-10
Thickness tested	1.6	mm	-
Yellow Card available	yes	-	-
Burning Behav. at thickness h	HB	class	IEC 60695-11-10
Thickness tested	3.2	mm	-
Yellow Card available	yes	-	-

Electrical properties	Value	Unit	Test Standard
ISO Data
Relative permittivity, 100Hz	2.5	-	IEC 62631-2-1
Relative permittivity, 1MHz	2.5	-	IEC 62631-2-1
Dissipation factor, 100Hz	1.5	E-4	IEC 62631-2-1
Dissipation factor, 1MHz	4	E-4	IEC 62631-2-1

Other properties	Value	Unit	Test Standard
Density	1020	kg/m³	ISO 1183

Test specimen production	Value	Unit	Test Standard
ISO Data
Injection Molding, melt temperature	220	°C	ISO 294
Injection Molding, mold temperature	40	°C	ISO 294
Injection Molding, injection velocity	200	mm/s	ISO 294

Diagrams

Characteristics

Processing

Injection Molding, Film Extrusion

Delivery form

Pellets

Special Characteristics

High impact or impact modified

Regional Availability

Europe, Near East/Africa

Other text information

Injection molding

PROCESSING
injection molding, Melt temperature, range: 180 - 260 °C
injection molding, Melt temperature, recommended: 220 °C
injection molding, Mold temperature, range: 10 - 60 °C
injection molding, Mold temperature, recommended: 40 °C

Polystyrol 454N can be injection moulded under different conditions depending on machinery available and articles moulded. Mass temperature can be as high as 260°C. Polystyrol 454N is suitable for gas assisted injection moulding. To achieve articles with very high gloss well polished surfaces are recommended.

Film extrusion

PROCESSING
Extrusion, Flat film, Melt temperature: 200 - 240 °C

Extrusion temperatures should not exceed 240°C.

Disclaimer

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