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Edistir® R 850E

Sold by Versalis - A subsidiary of Eni S.p.A
Polymer Name: High Impact Polystyrene (HIPS)
Processing Methods: Profile Extrusion, Extrusion, Film Extrusion, Thermoforming, Blow Molding, Injection Molding
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TypeDocument Name
Technical Data Sheet
Edistir® R 850E Technical Data Sheet
Edistir® R 850E Technical Data Sheet
Technical Data Sheet

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Identification & Functionality

Plastics & Elastomers Functions
Technologies

Edistir® R 850E Features & Benefits

Applications & Uses

Properties

Flame Rating
Physical Form
Mechanical Properties
ValueUnitsTest Method / Conditions
Tensile Strain at Break (50mm/min)70%ISO 527
Tensile Stress at Break (50mm/min)28MPaISO 527
Tensile Stress at Yield (50mm/min)21MPaISO 527
Flexural Strength (2mm/min)38MPaISO 178
Rockwell Hardness (L/M)L65-ISO 2039/2
Tensile Modulus (1mm/min)1900MPaISO 527
Izod Impact Strength (Notched, -30°C, 4mm)6.5kJ/m²ISO 180/1A
Izod Impact Strength (Notched, 23°C, 4mm)10kJ/m²ISO 180/1A
Izod Impact Strength (Notched, 23°C, 3.2mm)125J/mISO 180/4A
Typical Properties
ValueUnitsTest Method / Conditions
Water Absorption (24h, 23°C)max. 0.1%ISO 62
Density1.04g/cm³ISO 1183
Bulk Density0.65g/cm³ISO 60
Thermal Properties
ValueUnitsTest Method / Conditions
Coefficient of Linear Thermal Expansion9×10⁻⁵/°CASTM D 696
Thermal Conductivity0.17W/(K·m)ISO 8302
Moulding Shrinkage0.4 - 0.7%ISO 294/4
Deflection Temperature Under Load (Annealed, 1.82MPa, 120°C/h)85°CISO 75 A
Vicat Softening Temperature (50N, 50°C/h)91°CISO 306/B
Vicat Softening Temperature (10N, 50°C/h)99°CISO 306/A
Electrical Properties
ValueUnitsTest Method / Conditions
Dielectric Constant (Relative Permittivity, 50Hz)2.5-IEC 60250
Dissipation Factor (50Hz)0-IEC 60250
Comparative Tracking Index (CTI, Sol. A)500-IEC 60112
Surface Resistivitymin. 1.5×10¹⁵ohmIEC 60093
Volume Resistivitymin. 7×10¹⁵ohm·cmIEC 60093
Dielectric Strength65kV/mmIEC 60243
Flammability
ValueUnitsTest Method / Conditions
Flame Behaviour (1.5mm)HBcl.UL 94
Glow Wire Test (GWT, 1.6mm)650°CIEC 60695-2-10
Rheological Properties
ValueUnitsTest Method / Conditions
Melt Flow Rate (200°C, 5kg)4g/10'ISO 1133

Packaging & Availability

Regional Availability

Edistir® R 850E
Versalis - A subsidiary of Eni S.p.A