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- SYNTHOS Krasten® 171 General Purpose Polystyrene
SYNTHOS Krasten® 171 General Purpose Polystyrene
| Category | Polymer , Thermoplastic , Polystyrene (PS) , Polystyrene, Heat Resistant Grade |
| Manufacturer | SYNTHOS Kralupy a.s. |
| Trade Name | Krasten® |
| Port | Shanghai port,China |
| Trade Terms | FOB, CFR, CIF |
| Payment Terms | L/C, T/T, Western Union |
| Download PDF | SYNTHOS Krasten® 171 General Purpose Polystyrene.pdf  |
| Price | EMAIL US sales@lookpolymers.com |
Material Notes:
Very good heat resistance and mechanical strength. Examples of Application:Extrusion – biaxial-oriented sheets BOPS, XPS – lightweight insulating boards, shower enclosure panels, blends with high impact polystyrenes to increase heat resistance of the product – cups for hot drinks. Injection moulding – parts with increased heat or mechanical resistance.Synthos was formerly known as Kaucuk. All information provided by Synthos.
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 1.05 g/cc | 0.0379 lb/in³ | ISO 1183 |
| Linear Mold Shrinkage | 0.0020 - 0.0050 cm/cm | 0.0020 - 0.0050 in/in | Internal; 50x50mm |
| Melt Flow | 1.4 - 1.7 g/10 min @Load 5.00 kg, Temperature 200 °C |
1.4 - 1.7 g/10 min @Load 11.0 lb, Temperature 392 °F |
Granulate; ISO 1133/H |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Ball Indentation Hardness | 150 MPa | 21800 psi | H 358/30; Ø 50x4mm; ISO 2039-1 |
| Tensile Strength at Break | 56.0 MPa | 8120 psi | 5mm/min; ISO 527-2/1A/5 |
| Elongation at Break | 3.0 % | 3.0 % | 50mm/min; ISO 527-2/1A/5 |
| Tensile Modulus | 3.20 GPa | 464 ksi | 1mm/min; ISO 527-2/1A/1 |
| Flexural Strength | 105 MPa | 15200 psi | 2mm/min; 80x10x4mm; ISO 178 |
| Izod Impact, Unnotched (ISO) | 13.0 kJ/m² @Temperature 23.0 °C |
6.19 ft-lb/in² @Temperature 73.4 °F |
80x10x4mm; ISO 180/1U |
| Charpy Impact Unnotched | 1.80 J/cm² @Temperature 23.0 °C |
8.57 ft-lb/in² @Temperature 73.4 °F |
80x10x4mm; ISO 179/1eU |
| 2.80 J/cm² @Temperature 23.0 °C |
13.3 ft-lb/in² @Temperature 73.4 °F |
80x10x4mm; ISO 179/1fU |
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| Deflection Temperature at 1.8 MPa (264 psi) | 85.0 °C | 185 °F | 80x10x4mm; ISO 75-2/Af |
| Vicat Softening Point | 101 °C | 214 °F | 50°C/h; 50N; 10x10x4mm; ISO 306/B50 |
| 105 °C | 221 °F | 50°C/h; 10N; 10x10x4mm; ISO 306/A50 | |
| Flammability, UL94 | HB @Thickness 1.60 mm |
HB @Thickness 0.0630 in |
Tested in EZÚ Praha |
| HB @Thickness 3.00 mm |
HB @Thickness 0.118 in |
Tested in EZÚ Praha | |
| Glow Wire Test | 650 °C | 1200 °F | Ø 93x3mm; IEC 695-2-1 |
| Electrical Properties | Metric | English | Comments |
|---|---|---|---|
| Volume Resistivity | >= 1.00e+16 ohm-cm | >= 1.00e+16 ohm-cm | 500V; Ø 93x3mm; IEC 93 |
| Surface Resistance | >= 1.00e+15 ohm | >= 1.00e+15 ohm | 500V; Ø 93x3mm; IEC 93 |
| Dielectric Constant | <= 2.7 @Frequency 50 Hz |
<= 2.7 @Frequency 50 Hz |
500V; Ø 93x3mm; IEC 250 |
| Dielectric Strength | >= 60.0 kV/mm | >= 1520 kV/in | Transformer Oil; Ø 93x3mm; IEC 243-1 |
| Dissipation Factor | <= 0.0020 @Frequency 50 Hz |
<= 0.0020 @Frequency 50 Hz |
500V; Ø 93x3mm; IEC 250 |
| Comparative Tracking Index | >= 250 V | >= 250 V | Solution A; Ø 93x3mm; IEC 112 |
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