Goyenchem-GPPS23 General Purpose Polystyrene
application: Stationery, rulers,comestic cases,Comestic cases, spray bottles
Description
Characteristics
- Injection Grade
- Low Residual Monomer
- Good Heat Resistance
- Mold Dimension Stability
- Excellent Transparency
- Easy Processing
- Good Electrical Properties
| PRODUCT GRADE | IZOD | MI | APPLICATION |
|
Goyenchem-GPPS23 |
1.4 |
5.0 |
|
Physical Property
|
PROPERTY
|
ASTM METHOD
|
UNITS
|
TEST CONDITIONS
|
Goyenchem-GPPS23
|
|
Melt Flow Index
|
D1238
|
g/10min
|
200℃, 5 kg load
|
5.0
|
|
Izod Impact Strength
|
D256
|
kg-cm/cm
|
23℃,A method,notched
1/4”×1/2”×5/2”
|
1.4
|
|
Tensile Strength at Yield
|
D638
|
kg/cm2
|
23℃，1/8” Sample
|
450
|
|
Elongation at Break
|
D638
|
%
|
23℃，1/8” Sample
|
2.0
|
|
Flexural Yield
|
D790
|
kgf/cm2
|
1 kg load, 3mm Thick (120℃/hr)
|
730
|
|
Flexural Modulus
|
D790
|
kgf/cm2
|
1 kg load, 3mm Thick (120℃/hr)
|
36000
|
|
Vicat Softening Temperature
|
D1525
|
℃
|
1 kg load, 3mm Thick (120℃/hr)
|
100
|
|
Heat Distortion Temperature
|
D648
|
℃
|
Unannealed, 1/2 in, 18.56kg/cm2 load pressure
|
90
|
|
Residual SM monomer
|
_
|
ppm
|
_
|
200
|
|
Haze
|
–
|
%
|
2.8mm thick
|
0.40
|
|
Rockwell Hardness
|
D785
|
R-Scale
|
23℃
|
123
|
|
Specific Gravity
|
D792
|
_
|
_
|
1.05
|
Molding Condition
| PROPERTY | UNITS | Goyenchem-GPPS23 |
| Cylinder Temperature | ℃ | 160-300 |
| Injection Pressure | kgf/cm2 | 500-1400 |
| Mold Temperature | ℃ | 35-65 |
