POLYSTYRENE
Grade
GPPS 108
HIPS 208
IPS 179R Bk
IPS 209R Bk
PSA-2G41
Property
Test Method
Measure
General Purpose
High Impact
Recycled
High Impact
Recycled
High Impact
20% Fiberglass
Reinforced SMA
Melt Flow
D-1238
ISO 1133
g/10 min
8
8
9
8
1
Density
D-792
ISO 1183
g/cm3
1.04
1.04
1.04
1.04
1.2
Tensile Strength
at Yeild
D-638
ISO 527-2
psi
.
3,400
3,400
3,400
10,000
Tensile Strength
at Break
D-638
ISO 527-2
psi
.
.
.
.
.
Elongation
at Break
D-638
ISO 527-2
%
.
45
45
45
5
Flexural Strength
at Yeild
D-790
ISO 178
psi
8,000
.
.
.
.
Flexural
Modulas
D-790
ISO 178
psi
450,000
300,000
300,000
300,000
800,000
Izod, Notched, R.T.
D-256
ISO 180
ft-lb/in
0.4
2
1.7
2
2
Gardner Impact
D-5420
in/lbs
.
.
.
.
.
Flammability
FMVSS 302
in/min
<4
<4
<4
<4
<4
Linear Mold
Shrinkage
D-955
in/in
.
0.006
0.006
0.006
0.003