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LG Chemical SG-950 Alphalac Polystyrene
(discontinued **)
Categories:
Polymer
;
Thermoplastic
;
Polystyrene (PS)
;
Polystyrene, Molded, Unreinforced
Material Notes:
High strength, High gloss and high impact equivalent to ABS, Excellent mechanical properties compare with general HIPS, Meet requirements for cost and quality, Applications include housing of electric appliances
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Physical Properties
Original Value
Comments
Density
1.04
g/cc
ASTM D792
Linear Mold Shrinkage
0.0040
-
0.0080
cm/cm
ASTM D955
Melt Flow
5.0
g/10 min
@Load 5.00 kg,
Temperature 200 °C
ASTM D1238
Mechanical Properties
Original Value
Comments
Hardness, Rockwell R
104
ASTM D785
Tensile Strength, Yield
36.3
MPa
50 mm/min; ASTM D638
Elongation at Break
40 %
50 mm/min; ASTM D638
Flexural Yield Strength
54.0
MPa
15 mm/min; ASTM D790
Flexural Modulus
2.40
GPa
15 mm/min; ASTM D790
Izod Impact, Notched
0.930
J/cm
@Thickness 6.35 mm
ASTM D256
1.27
J/cm
@Thickness 3.17 mm
ASTM D256
Electrical Properties
Original Value
Comments
Comparative Tracking Index
>=
600
V
UL Rating PLC 0 (>600 volts)
Hot Wire Ignition, HWI
15
-
30
sec
UL Rating PLC 3 (15-30 sec)
High Amp Arc Ignition, HAI
>=
120
arcs
UL Rating PLC 0 (>120 arcs)
High Voltage Arc-Tracking Rate, HVTR
<=
10.0
mm/min
UL Rating PLC 0 (0-10 mm/min)
Thermal Properties
Original Value
Comments
Deflection Temperature at 1.8 MPa (264 psi)
82.0
°C
@Thickness 12.7 mm
Unannealed; ASTM D648
Vicat Softening Point
102
°C
1000 g; ASTM D1525
Flammability, UL94
HB
@Thickness 1.59 mm
HB
@Thickness 3.17 mm
Flame Spread
35.0
mm/min
@Thickness 3.17 mm
FH3
**
Materials flagged as discontinued (
) are no longer part of the manufacturer’s standard product line according to our latest information. These materials may be available by special order, in distribution inventory, or reinstated as an active product. Data sheets from materials that are no longer available remain in MatWeb to assist users in finding replacement materials.
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PLAZ90 / 50348
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