Versalis Edistir N 2982 Polystyrene

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Versalis Edistir N 2982 Polystyrene
Categories:	Polymer; Thermoplastic; Polystyrene (PS); Polystyrene, Molded, Unreinforced
Material Notes:	General purpose polystyrene with very high flow and high heat resistance. Special grade for direct gassing extrusion of heavy gage insulating boards (XPS) foamed by blowing agents alternative to CFC and HCFC. Low viscosity process-aid and modifyer for compounding. Designation: Thermoplastics ISO 1622-PS,E,105-20 Applications: XPS insulation panels with improved environmental compatibility. Carrier for masterbatch. Modifyer for thermoplastic elastomers and rubbers (shoe soles, cable extrusion-coating). N 2982 is certified UL94 HB "all colors" at 1.5 mm (UL file E83071). This grade in its natural version complies by composition with the requirements set by the main Regulations for plastic materials intended for food contact (including the EEC Directive 90/128 and subsequent amendments). Information provided by Polimeri Europa Versalis is the Eni subsidiary containing the plastics and rubber businesses.
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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 %	24 hours - 23°C; ISO 62
Melt Flow	25 g/10 min @Load 5.00 kg, Temperature 200 °C	ISO 1133

Mechanical Properties	Original Value	Comments
Tensile Strength at Break	30.0 MPa	5 mm/min; ISO 527
Elongation at Break	1.0 %	5 mm/min; ISO 527
Tensile Modulus	3.15 GPa	1 mm/min; ISO 527
Flexural Strength	40.0 MPa	2 mm/min; ISO 178

Thermal Properties	Original Value	Comments
CTE, linear	70.0 µm/m-°C @Temperature 20.0 °C	ASTM D 696
Thermal Conductivity	0.170 W/m-K	ISO 8302
Deflection Temperature at 1.8 MPa (264 psi)	89.0 °C	120°C/h; ASTM D 648
Vicat Softening Point	101 °C	50 N - 50°C/h; ISO 306/B
	106 °C	10 N - 50°C/h; ISO 306/A
Flammability, UL94	HB @Thickness 1.50 mm	UL94

Processing Properties	Original Value	Comments
Melt Temperature	190 - 220 °C	Extrusion

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