TOTAL Polystyrene Impact 8260

About
POLYSTYRENE IMPACT 8260 is an high impact polystyrene for extrusioin and injection applications. This grade has an improved environmental stress crack resistance in comparison with standard high impact grades. The product has been specifically designed for the production of refrigerator part: inner liners, door liners, injected parts etc. This grade is also proposed for the production of packaging intended for products likely to cause stress cracking e.g. fats, oil… POLYSTYRENE IMPACT 8260 retains good mechanical properties at low temperatures making this grade suitable for frozen packaging; it also affords good printing performance. Applications Sheet for thermoforming, fridges liners, low temperature packaging applications (ice cream boxes and lids), packaging for aggressive foodstuffs, matt finish, soft touch.&&

Product Description
SupplierTOTAL
GenericPS (HIPS)
Material StatusCommercial: Active
FeaturesHigh impact resistance,Good Printability
AvailabilitysEurope
Process MethodsInjection Molding

Technical Data
PHYSICALNominal valueUnitTest method
Density1.04g/cm³ISO 1183
Apparent density0.60g/cm³ISO 60
Melt Flow Rate
200℃,5.0kg2.8g/10minASTM D1238
Shrinkage rate0.40 to 0.70%ISO 294-4
Water absorption rate
23℃,24hr< 0.10%ISO 62

MECHANICALNominal valueUnitTest method
Tensile modulus
23℃1600MPaISO 527-2
tensile strengthISO 527-2
Yield, 23 ℃20.0MPa
Fracture, 23 ℃25.0MPa
Tensile strain
Fracture, 23 ℃> 60%ISO 527-2
Bending modulus
23℃1600MPaISO 178

IMPACTNominal valueUnitTest method
Charpy Notched Impact Strength
23℃11kJ/m²ISO 179/1eA
Impact strength of cantilever beam notch
23℃11kJ/m²ISO 180-1A

THERMALNominal valueUnitTest method
Vicat Softening Temp
A5099.0ISO 306/A50
B5090.0ISO 306
Linear coefficient of thermal expansion
MD9.1E-51/℃ISO 11359-2

Electrical performanceNominal valueUnitTest method
Surface resistivity> 1.0E+14ohmsIEC 60093
Dielectric strength
23℃150kV/mmIEC 60243-1

Notes
1. Typical properties: these are not to be construed as specifications.
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