Goyenchem-GPPS24 General Purpose Polystyrene

application: Stationery, rulers, transparent cups, plates

Description

Characteristics
  1. Injection Grade
  2. Low Residual Monomer
  3. Good Heat Resistance
  4. Mold Dimension Stability
  5. Excellent Transparency
  6. Easy Processing
PRODUCT GRADE
IZOD
MI
APPLICATION
Goyenchem-GPPS24
1.4
7.0
  • Stationery, rulers, thumbtacks, petri-dishes,alarm clocks.
  • Transparent cups, plates, utensils, fruit platters.
Physical Property
PROPERTY
ASTM METHOD
UNITS
TEST CONDITIONS
Goyenchem-GPPS24
Melt Flow Index
D1238
g/10min
200℃, 5 kg load
7.0
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)
650
Flexural Modulus
D790
kgf/cm2
1 kg load, 3mm Thick (120℃/hr)
35000
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
85
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-GPPS24
Cylinder Temperature
160-300
Injection Pressure
kgf/cm2
500-1400
Mold Temperature
35-65