Styrolution PS 158K

About
Styrolution PS 158K is a heat resistant, rapid freezing general purpose grade. It is suitable for expanded sheet and film; for blends with high impact Styrolution PS in heat contact applications; for transparent, impact resistant applications in blends with Styrolux. FEATURES High heat resistance GPPS High transparency APPLICATIONS Replacement of SAN in several application like water filter containers, pen parts etc. Transparent sheet for Showcases & displays, consumer electronics, household application, photo frames, building material etc. Ideal material for physically or chemically foamed high-quality foamed articles, such as foam containers, labels or profiles (PSP/XPS) In blends with high impact polystyrene or Styrolux Injection molded articles&&

Product Description
SupplierINEOS
GenericPS (GPPS)
Material StatusCommercial: Active
FeaturesGood Clarity,High Heat Resistance
AvailabilitysAsia Pacific
Process MethodsInjection Molding

Technical Data
PHYSICALNominal valueUnitTest method
Density1.05g/cm³ISO 1183
Apparent density0.60g/cm³
Melt Flow Rate
200℃,5.0kg3.0g/10minISO 1133
Melt Volume Rate
200℃,5 kg3.00cm³/10minISO 1133
Shrinkage rate0.30 to 0.60%ISO 294-4
Water absorption rate ISO 62
Saturation, 23 ℃< 0.10%ISO 62
Equilibrium, 23 ℃, 50% RH< 0.10%ISO 62

IMPACTNominal valueUnitTest method
Charpy Notched Impact Strength
23℃3.0kJ/m²ISO 179
Charpy Unnotch Impact strength
23℃17kJ/m²ISO 179
Impact strength of cantilever beam notch
23℃2.5kJ/m²ISO 180-A

THERMALNominal valueUnitTest method
Hot deformation temperature 
0.45 MPa, annealed98.0ISO 75-2/B
1.8 MPa, annealed86.0ISO 75-2/A
Vicat Softening Temp 
108ASTM D1525 5
A50106ISO 306/A50
B50101ISO 306
Linear coefficient of thermal expansion
MD8.0E-51/℃ISO 11359-2
Thermal conductivity coefficient0.17W/m/KDIN 52612

Electrical performanceNominal valueUnitTest method
Surface resistivity> 1.0E+14ohmsIEC 60093
Volume resistivity> 1.0E+18ohms·cmIEC 60093
Dielectric strength
1.5 mm140kV/mmIEC 60243-1
Dielectric constant 
100 Hz2.50 IEC 60250
1 MHz2.50 IEC 60250
Dissipation factor IEC 60250
100 Hz9.0E-5 IEC 60250
1 MHz5.0E-5 IEC 60250

MECHANICALNominal valueUnitTest method
Ball hardness150MPaISO 2039-1
Tensile modulus3300MPaISO 527-2
tensile strength
Yield, 23 ℃55.0MPaISO 527-2
Tensile strain
Fracture, 23 ℃3.0%ISO 527-2
Tensile creep modulus ISO 899-1
1 hr3300MPaISO 899-1
1000 hr2600MPaISO 899-1
bending strength103MPaISO 178

Process Conditions
injectionNominal valueUnitTest method
ExtrusionNominal valueUnitTest method
Processing (melt) temperature180 to 260°C
Mold temperature10 to 60°C
Injection Velocity200mm/sec
Melt temperature< 240°C

Notes
1. Typical properties: these are not to be construed as specifications.
2. With external lubricant
3. 4h/80°C
4. Rate B (120°C/h), Loading 1 (10 N)
5. Short Time
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