|
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
|