Category | Polymer , Thermoplastic , Polystyrene (PS) , Polystyrene, Extrusion Grade |
Manufacturer | Korea Kumho Petrochemical Co., Ltd. |
Trade Name | Kuhmo |
Port | Shanghai port,China |
Trade Terms | FOB, CFR, CIF |
Payment Terms | L/C, T/T, Western Union |
Download PDF | KKPC Kuhmo HI 425EP Extrusion Molding HIPS.pdf |
Price | EMAIL US sales@lookpolymers.com |
Physical Properties | Metric | English | Comments |
---|---|---|---|
Density | 1.04 g/cc | 0.0376 lb/in³ | ASTM D792 |
Water Absorption | 0.050 % | 0.050 % | 24 hr immersion; ASTM D570 |
Linear Mold Shrinkage | 0.0030 - 0.0060 cm/cm | 0.0030 - 0.0060 in/in | ASTM D955 |
Melt Flow | 5.5 g/10 min | 5.5 g/10 min | ASTM D1238 |
Mechanical Properties | Metric | English | Comments |
---|---|---|---|
Hardness, Rockwell M | 40 | 40 | ASTM D785 |
Tensile Strength, Ultimate | 21.6 MPa | 3130 psi | ASTM D638 |
Elongation at Break | 60 % | 60 % | ASTM D638 |
Flexural Yield Strength | 29.76 MPa | 4316 psi | ASTM D790 |
Flexural Modulus | 1.615 GPa | 234.3 ksi | ASTM D790 |
Izod Impact, Notched | 1.28 J/cm @Thickness 3.20 mm |
2.40 ft-lb/in @Thickness 0.126 in |
ASTM D256 |
Thermal Properties | Metric | English | Comments |
---|---|---|---|
Deflection Temperature at 1.8 MPa (264 psi) | 75.0 °C | 167 °F | unannealed; ASTM D648 |
Vicat Softening Point | 98.0 °C | 208 °F | ASTM D1525 |
Flammability, UL94 | HB @Thickness 2.20 mm |
HB @Thickness 0.0866 in |
|
HB @Thickness 1.60 mm |
HB @Thickness 0.0630 in |
||
HB @Thickness 3.20 mm |
HB @Thickness 0.126 in |
Electrical Properties | Metric | English | Comments |
---|---|---|---|
Volume Resistivity | 1.00e+16 ohm-cm | 1.00e+16 ohm-cm | ASTM D257 |
Dielectric Strength | 17.7 kV/mm | 450 kV/in | ASTM D149 |