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Total Lacqrene® 4240(AS) High Impact Polystyrene  (discontinued **)

Category Polymer , Thermoplastic , Polystyrene (PS)
Manufacturer
Trade Name
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Total Lacqrene® 4240(AS) High Impact Polystyrene  (discontinued **).pdf
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Material Notes:
LACQRENE® 4240 is a high heat resistance, high impact polystyrene for the extrusion industry. Good mechanical and thermal properties leads to the production of thermoformed articles of good rigidity and toughness with improved temperature performance. LACQRENE® 4240 finds applications in injection blow molding LACQRENE® 4241 is a high impact polystyrene for the injection molding of articles of good stability at elevated temperatures, e.g. TV moldings. 4240 is not externally lubricated.Applications: Sheet for thermoforming, TV cabinets, Teletronics, Audio equipmentsInformation provided provided by Total Petrochemicals.Total Petrochemicals includes former Fina and Atofina plastics product lines.
Physical Properties Metric English Comments
Density 1.04 g/cc
0.0376 lb/in³
ISO 1183
Linear Mold Shrinkage 0.0040 - 0.0070 cm/cm
0.0040 - 0.0070 in/in
Melt Flow 4.0 g/10 min

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

@Load 11.0 lb,
Temperature 392 °F
ASTM D1238G
Mechanical Properties Metric English Comments
Hardness, Rockwell R 76
76
ASTM D785
Tensile Strength, Yield 25.5 MPa
3700 psi
ASTM D638M
Elongation at Break 55 %
55 %
ISO 527-2
Flexural Yield Strength 4.41 MPa
640 psi
ASTM D790
Flexural Modulus 1.96 GPa
284 ksi
ASTM D790
Izod Impact, Notched 0.981 J/cm
1.84 ft-lb/in
Notched/Unnotched not specified; ASTM D256A
Thermal Properties Metric English Comments
Deflection Temperature at 1.8 MPa (264 psi) 73.0 °C
163 °F
ASTM D648
Vicat Softening Point 89.0 °C
192 °F
50 N; ASTM D1525B
97.0 °C
207 °F
10N; ASTM D1525A
Flammability, UL94 HB
HB
Electrical Properties Metric English Comments
Surface Resistivity per Square >= 1.00e+13 ohm
>= 1.00e+13 ohm
ISO IEC93
Dielectric Strength 150 kV/mm
3810 kV/in
Processing Properties Metric English Comments
Melt Temperature 200 - 240 °C
392 - 464 °F
Drying Temperature 70.0 °C
158 °F
Pre drying temperature
Dry Time 2 hour
2 hour
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