Versalis Edistir® N 3782 General Purpose Polystyrene

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Versalis Edistir® N 3782 General Purpose Polystyrene
Categories:	Polymer; Thermoplastic; Polystyrene (PS)
Material Notes:	General purpose polystyrene with good flow and high heat resistance. N 3782 belongs to the third generation of Edistir® GPPS. The third generation of verbalism GPPS is characterized by a brighter, neutral appearance in line with more sophisticated market needs. Suggested for direct gassing extrusion of heavy gauge insulating boards (XPS) and in blends with high concentrations of clear SBS for improving clarity and stiffness of the sheets. Applications: Designed for insulation panels (XPS), clear sheets and clear thermoformed packaging. Information provided by Versalis.
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Physical Properties	Original Value	Comments

Bulk Density	0.650 g/cc	ISO 60
Density	1.05 g/cc	ISO 1183
Water Absorption	<= 0.10 % @Temperature 23.0 °C, Time 86400 sec	ISO 62
Linear Mold Shrinkage	0.0030 - 0.0060 cm/cm	ISO 294/4
Melt Flow	7.5 g/10 min @Load 5.00 kg, Temperature 200 °C	ISO 1133

Mechanical Properties	Original Value	Comments
Hardness, Rockwell M	80	ISO 2039/2
Tensile Strength at Break	43.0 MPa	5 mm/min; ISO 527
Elongation at Break	1.6 %	5 mm/min; ISO 527
Tensile Modulus	3250 MPa	1 mm/min; ISO 527
Flexural Strength	80.0 MPa	2 mm/min; ISO 178
Izod Impact, Notched (ISO)	1.50 kJ/m² @Thickness 4.00 mm, Temperature -30.0 °C	ISO 180/1A
	1.70 kJ/m² @Thickness 4.00 mm, Temperature 23.0 °C	ISO 180/1A

Electrical Properties	Original Value	Comments
Volume Resistivity	>= 7.00e+15 ohm-cm	IEC 60093
Surface Resistance	>= 1.50e+15 ohm	IEC 60093
Dielectric Constant	2.5 @Frequency 50 Hz	IEC 60250
Dielectric Strength	70.0 kV/mm	IEC 60243
Dissipation Factor	0.00020 @Frequency 50 Hz	IEC 60250
Comparative Tracking Index	400 V	Sol.A; IEC 60112

Thermal Properties	Original Value	Comments
CTE, linear	70.0 µm/m-°C	ASTM D 696
Thermal Conductivity	0.170 W/m-K	ISO 8302
Deflection Temperature at 1.8 MPa (264 psi)	95.0 °C	120°C/h, annealed; ASTM D 648
Vicat Softening Point	101 °C @Load 5.10 kg	50°C/h; ISO 306/B
	106 °C @Load 1.02 kg	50°C/h; ISO 306/A
Flammability, UL94	HB @Thickness 1.50 mm
Glow Wire Test	650 °C @Thickness 1.60 mm	IEC 60695-2-1

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PENF9881 / 265575

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