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LG Chemical GPPS 25SP(I) PS, High Transparency, Heat Resistance

Category Polymer , Thermoplastic , Polystyrene (PS) , Polystyrene, Heat Resistant Grade , Polystyrene, Transparent Grade
Manufacturer LG Chemical
Trade Name GPPS
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF LG Chemical GPPS 25SP(I) PS, High Transparency, Heat Resistance.pdf
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Material Notes:
Description: Injection Molding, PS, High Transparency, Heat ResistanceApplication: PSP, Food Tray, Electric/Electrical Component, CoatingCAS: 9003-53-6Information provided by LG Chemical
Physical Properties Metric English Comments
Specific Gravity 1.05 g/cc
1.05 g/cc
ASTM D792
Maximum Moisture Content 0.010
0.010
Injection Molding
Linear Mold Shrinkage, Flow 0.0040 - 0.0080 cm/cm

@Thickness 3.20 mm
 0.0040 - 0.0080 in/in

@Thickness 0.126 in
 ASTM D955
Melt Flow 3.0 g/10 min

@Load 5.00 kg,
Temperature 200 °C
 3.0 g/10 min

@Load 11.0 lb,
Temperature 392 °F
 ASTM D1238 (G)
8.0 g/10 min

@Load 3.80 kg,
Temperature 230 °C
 8.0 g/10 min

@Load 8.38 lb,
Temperature 446 °F
 ASTM D1238 (I)
39 g/10 min

@Load 10.0 kg,
Temperature 220 °C
 39 g/10 min

@Load 22.0 lb,
Temperature 428 °F
 ASTM D1238 (G)
Mechanical Properties Metric English Comments
Hardness, Rockwell R 121
121
ASTM D785
Tensile Strength, Yield 52.0 MPa

@Thickness 3.20 mm
 7540 psi

@Thickness 0.126 in
 50mm/min; ASTM D638
Elongation at Break 4.0 %

@Thickness 3.20 mm
 4.0 %

@Thickness 0.126 in
 50mm/min; ASTM D638
Tensile Modulus 2.88 GPa

@Thickness 3.20 mm
 418 ksi

@Thickness 0.126 in
 1mm/min; ASTM D638
Flexural Yield Strength 98.1 MPa

@Thickness 3.20 mm
 14200 psi

@Thickness 0.126 in
 15mm/min; ASTM D790
Flexural Modulus 3.27 GPa

@Thickness 3.20 mm
 474 ksi

@Thickness 0.126 in
 15mm/min; ASTM D790
Izod Impact, Notched 0.0981 J/cm

@Thickness 6.40 mm,
Temperature 23.0 °C
 0.184 ft-lb/in

@Thickness 0.252 in,
Temperature 73.4 °F
 ASTM D256
0.0981 J/cm

@Thickness 6.40 mm,
Temperature -30.0 °C
 0.184 ft-lb/in

@Thickness 0.252 in,
Temperature -22.0 °F
 ASTM D256
Thermal Properties Metric English Comments
Deflection Temperature at 0.46 MPa (66 psi) 95.0 °C

@Thickness 6.40 mm
 203 °F

@Thickness 0.252 in
 Unannealed; ASTM D648
Deflection Temperature at 1.8 MPa (264 psi) 88.0 °C

@Thickness 6.40 mm
 190 °F

@Thickness 0.252 in
 Unannealed; ASTM D648
Vicat Softening Point 96.0 °C

@Load 5.00 kg
 205 °F

@Load 11.0 lb
 50°C/h; ASTM D1525
UL RTI, Electrical 50.0 °C

@Thickness >=1.50 mm
 122 °F

@Thickness >=0.0591 in
50.0 °C

@Thickness >=3.00 mm
 122 °F

@Thickness >=0.118 in
UL RTI, Mechanical with Impact 50.0 °C

@Thickness >=1.50 mm
 122 °F

@Thickness >=0.0591 in
50.0 °C

@Thickness >=3.00 mm
 122 °F

@Thickness >=0.118 in
UL RTI, Mechanical without Impact 50.0 °C

@Thickness >=1.50 mm
 122 °F

@Thickness >=0.0591 in
50.0 °C

@Thickness >=3.00 mm
 122 °F

@Thickness >=0.118 in
Flammability, UL94 HB

@Thickness >=1.50 mm
 HB

@Thickness >=0.0591 in
HB

@Thickness >=3.00 mm
 HB

@Thickness >=0.118 in
Electrical Properties Metric English Comments
Volume Resistivity 1.00e+14 ohm-cm
1.00e+14 ohm-cm
Dielectric Strength 42.0 kV/mm
1070 kV/in
Arc Resistance 120 - 180 sec
120 - 180 sec
ASTM D495
Hot Wire Ignition, HWI 7.0 - 15 sec

@Thickness >=1.50 mm
 7.0 - 15 sec

@Thickness >=0.0591 in
15 - 30 sec

@Thickness >=3.00 mm
 15 - 30 sec

@Thickness >=0.118 in
High Amp Arc Ignition, HAI 60 - 120 arcs

@Thickness 1.50 mm
 60 - 120 arcs

@Thickness 0.0591 in
>= 120 arcs

@Thickness 3.00 mm
 >= 120 arcs

@Thickness 0.118 in
High Voltage Arc-Tracking Rate, HVTR 25.4 - 50.0 mm/min
1.00 - 1.97 in/min
Processing Properties Metric English Comments
Rear Barrel Temperature 170 - 190 °C
338 - 374 °F
Injection Molding
Middle Barrel Temperature 180 - 200 °C
356 - 392 °F
Injection Molding
Front Barrel Temperature 190 - 210 °C
374 - 410 °F
Injection Molding
Nozzle Temperature 190 - 220 °C
374 - 428 °F
Injection Molding
Melt Temperature 190 - 220 °C
374 - 428 °F
Injection Molding
Mold Temperature 40.0 - 70.0 °C
104 - 158 °F
Injection Molding
Drying Temperature 80.0 °C
176 °F
Injection Molding
Dry Time 2.00 - 4.00 hour
2.00 - 4.00 hour
Injection Molding
Back Pressure 29.4 - 58.8 MPa
4260 - 8530 psi
Injection Molding
Screw Speed 30 - 60 rpm
30 - 60 rpm
Injection Molding
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