| Category | Polymer , Thermoplastic , Polystyrene (PS) , Polystyrene, Impact Modified | 
| 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® 552M High Impact Polystyrene.pdf  | 
          
| Price | EMAIL US sales@lookpolymers.com | 
| Physical Properties | Metric | English | Comments | 
|---|---|---|---|
| Density | 1.04 g/cc | 0.0376 lb/in³ | ISO 1183 | 
| Linear Mold Shrinkage | 0.0030 - 0.0060 cm/cm | 0.0030 - 0.0060 in/in | Internal; 50x50mm | 
| Melt Flow |           6.0 - 7.0           g/10 min           @Load 5.00 kg, Temperature 200 °C  | 
                  6.0 - 7.0           g/10 min           @Load 11.0 lb, Temperature 392 °F  | 
        Granulate; ISO 1133/H | 
| Mechanical Properties | Metric | English | Comments | 
|---|---|---|---|
| Ball Indentation Hardness | 70.0 MPa | 10200 psi | Fm=358N; Ø 50x4mm; ISO 2039-1 | 
| Tensile Strength at Break |           22.0           MPa           @Temperature 23.0 °C  | 
                  3190           psi           @Temperature 73.4 °F  | 
        50mm/min; ISO 527-2/1A/50 | 
| Tensile Strength, Yield |           30.0           MPa           @Temperature 23.0 °C  | 
                  4350           psi           @Temperature 73.4 °F  | 
        50mm/min; ISO 527-2/1A/50 | 
| Elongation at Break | 40 % | 40 % | 50mm/min; ISO 527-2/1A/50 | 
| Tensile Modulus |           2.10           GPa           @Temperature 23.0 °C  | 
                  305           ksi           @Temperature 73.4 °F  | 
        1mm/min; ISO 527-2/1A/1 | 
| Flexural Strength |           40.0           MPa           @Temperature 23.0 °C  | 
                  5800           psi           @Temperature 73.4 °F  | 
        2mm/min; 80x10x4mm; ISO 178 | 
| Izod Impact, Notched (ISO) |           9.00           kJ/m²           @Temperature 23.0 °C  | 
                  4.28           ft-lb/in²           @Temperature 73.4 °F  | 
        80x10x4mm, r=0.25; V-notch; ISO 180/1A | 
| Izod Impact, Unnotched (ISO) |           80.0           kJ/m²           @Temperature 23.0 °C  | 
                  38.1           ft-lb/in²           @Temperature 73.4 °F  | 
        80x10x4mm; ISO 180/1U | 
| Charpy Impact Unnotched |           10.0           J/cm²           @Temperature 23.0 °C  | 
                  47.6           ft-lb/in²           @Temperature 73.4 °F  | 
        80x10x4mm; ISO 179/1eU | 
|           NB                     @Temperature 23.0 °C  | 
                  NB                     @Temperature 73.4 °F  | 
        80x10x4mm; ISO 179/1fU | |
| Charpy Impact, Notched |           0.850           J/cm²           @Temperature 23.0 °C  | 
                  4.05           ft-lb/in²           @Temperature 73.4 °F  | 
        80x10x4mm, r=0.25; V-notch; ISO 179/1eA | 
| Thermal Properties | Metric | English | Comments | 
|---|---|---|---|
| Deflection Temperature at 1.8 MPa (264 psi) | 72.0 °C | 162 °F | 80x10x4mm; ISO 75-2/Af | 
| Vicat Softening Point | 84.0 °C | 183 °F | 50°C/h; 50N; 10x10x4mm; ISO 306/B50 | 
| 90.0 °C | 194 °F | 120°C/h; 50N; 10x10x4mm; ISO 306/B120 | |
| 94.0 °C | 201 °F | 50°C/h; 10N; 10x10x4mm; ISO 306/A50 | |
| 96.0 °C | 205 °F | 120°C/h; 10N; 10x10x4mm; ISO 306/A120 | |
| 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 | >= 5.00e+14 ohm | >= 5.00e+14 ohm | 500V; Ø 93x3mm; IEC 93 | 
| Dielectric Constant |           <= 3.0                     @Frequency 50 Hz  | 
                  <= 3.0                     @Frequency 50 Hz  | 
        500V; Ø 93x3mm; IEC 250 | 
| Dielectric Strength | >= 28.0 kV/mm | >= 711 kV/in | Transformer Oil; Ø 93x3mm; IEC 243-1 | 
| Dissipation Factor |           <= 0.0010                     @Frequency 50 Hz  | 
                  <= 0.0010                     @Frequency 50 Hz  | 
        500V; Ø 93x3mm; IEC 250 | 
| Arc Resistance | >= 70 sec | >= 70 sec | Ø 93x3mm; IEC 61 621 | 
| Comparative Tracking Index | >= 300 V | >= 300 V | Solution A; Ø 93x3mm; IEC 112 |