TOTAL Polystyrene Crystal 1540 (EU)

About
POLYSTYRENE CRYSTAL 1540 is an easy flowing crystal polystyrene designed for extrusion or injection applications. In extrusion, it allows to increase extruder output and thermoforming cycle times when mixed with a high impact polystyrene such as POLYSTYRENE IMPACT 7240. Having high gloss, it is particularly suitable for glossy-layer co-extrusion. In injection moulding, POLYSTYRENE CRYSTAL 1540 with this low viscosity at high shear rate has a good injectability and combines an excellent fluidity with a higher softening point. Applications Dairy sheet, cups (dilution with impact polystyrene) Injection: Boxes, office equipment – e.g. filing trays, CD boxes, pen bodies, internal fridge parts, toys, cups&&

Product Description
SupplierTOTAL
GenericPS (GPPS)
Material StatusCommercial: Active
FeaturesGood surface appearance,Good liquidity,Low Viscosity
AvailabilitysEurope
Process MethodsInjection Molding

Technical Data
PHYSICALNominal valueUnitTest method
Density1.05g/cm³ISO 1183
Apparent density0.60g/cm³
Melt Flow Rate
200℃,5.0kg12g/10minISO 1133
Shrinkage rate0.40 to 0.70%
Water absorption rate
Equilibrium, 23 ℃, 50% RH< 0.10%ISO 62

IMPACTNominal valueUnitTest method
Charpy Unnotch Impact strength8.0kJ/m²ISO 179/1eU

THERMALNominal valueUnitTest method
Hot deformation temperature ISO 75-2/A
1.8 MPa, unannealed73.0ISO 75-2/A
1.8 MPa, annealed83.0ISO 75-2/A
Vicat Softening Temp 
A5091.0ISO 306/A50
B5086.0ISO 306
Linear coefficient of thermal expansion
MD7.1E-51/℃

Electrical performanceNominal valueUnitTest method
Surface resistivity> 1.0E+15ohmsIEC 60093
Dielectric strength140kV/mm

MECHANICALNominal valueUnitTest method
Rockwell hardness
Level L70 ISO 2039-2
Tensile modulus3100MPaISO 527-2
tensile strength
fracture42.0MPaISO 527-2
Tensile strain
fracture2.0%ISO 527-2
Bending modulus2900MPaISO 178

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