Polystyrene Crystal 1450 is a high heat resistant, easy flow polystyrene for foam extrusion and injection molding applications. It offers optimum fluidity and excellent thermal properties for foam extrusion and injection molding.
Applications:
- Extrusion Sheet
- Foam Extrusion
- Household
| Properties |
Test Method |
S.I. |
Metric |
English |
| ISO |
ASTM |
Value |
Units |
Value |
Units |
Value |
Units |
| RHEOLOGICAL |
| Melt Flow Index (200 °C – 5 kg) |
1133 |
D-1238 |
0.005 |
kg/ 10 min |
5.00 |
g/ 10 min |
1.10E-02 |
lb/ 10 min |
| Spiral Flow (220 °C) |
– |
D-3123 |
0.55 |
m |
55 |
cm |
21.65 |
in |
| THERMAL |
| Vicat Softening Point 10N (T increase = 50 °C/h) |
306 |
D-1525 |
376 |
K |
103 |
°C |
217 |
°F |
| Heat Distortion Temperature |
75 |
D-648 |
358 |
K |
85 |
°C |
185 |
°F |
| Coefficient of Linear Thermal Expansion (10-5) |
– |
D-696 |
8.90E-03 |
m/K |
8.90 |
mm/°C |
1.95E-01 |
in/°F |
| MECHANICAL |
| Unnotched Izod Impact Strength |
180 |
D-256 |
8.00 |
kJ/m2 |
7.40 |
kg-cm/cm |
1.36 |
ft-lb/in |
| Tensile Strength at Yield |
527 |
D-638 |
50 |
MPa |
500 |
kg/cm2 |
7254 |
psi |
| Elongation at Break |
527 |
D-638 |
2 |
% |
2 |
% |
2 |
% |
| Flexural Modulus |
178 |
D-790 |
3300 |
MPa |
33000 |
kg/cm2 |
478756 |
psi |
| Rockwell Hardness |
2039 |
D-785 |
L-70 |
– |
L-70 |
– |
L-70 |
– |
| ELECTRICAL |
| Dielectric Strength |
– |
D-149 |
152000 |
kV/m |
152 |
kV/mm |
3861 |
kV/in |
| Surface resistivity |
IEC 93 |
– |
>10e+13 |
Ohms -1 |
>10e+13 |
Ohms -1 |
>10e+13 |
Ohms -1 |
| MISCELLANEOUS |
| Density |
– |
D-792 |
1040 |
kg/m3 |
1.04 |
g/cm3 |
64.91 |
lb/ft3 |
| Mold Shrinkage |
– |
D-955 |
0.4 – 0.7 |
% |
0.4 – 0.7 |
% |
0.4 – 0.7 |
% |
| Water absorption |
62 |
D-570 |
0.04 |
% |
0.04 |
% |
0.04 |
% |
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