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Total Lacqrene® 2551 Medium Impact Polystyrene  (discontinued **)

Category Polymer , Thermoplastic , Polystyrene (PS)
Manufacturer
Trade Name
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Total Lacqrene® 2551 Medium Impact Polystyrene  (discontinued **).pdf
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Material Notes:
LACQRENE® 2551 is a high heat resistance, medium impact polystyrene for injection molding. The very high Vicat Softening Point of this grade gives moldings of high rigidity and a good dimensional stability at high operating temperatures. The fast set-up of this grade allows for the production of thick molding with reduced sink marks.ApplicationCD boxes, Disposable razors, Audio cassettes, Cosmetics packaging, Disposable cutleryInformation 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
Water Absorption <= 0.10 %
<= 0.10 %
ISO 62
Linear Mold Shrinkage 0.0040 - 0.0070 cm/cm
0.0040 - 0.0070 in/in
Melt Flow 7.5 g/10 min

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

@Load 11.0 lb,
Temperature 392 °F
ISO 1133H
Mechanical Properties Metric English Comments
Hardness, Rockwell L 70
70
ISO 2039-2
Tensile Strength at Break 36.0 MPa
5220 psi
ISO 527-2
Tensile Strength, Yield 38.0 MPa
5510 psi
ISO 527-2
Elongation at Break 15 %
15 %
ISO 527-2
Tensile Modulus 2.40 GPa
348 ksi
ISO 527-2
Flexural Modulus 2.50 GPa
363 ksi
ISO 178
Izod Impact, Notched (ISO) 4.00 kJ/m²
1.90 ft-lb/in²
ISO 180/1A
Charpy Impact, Notched 0.400 J/cm²
1.90 ft-lb/in²
ISO 179/1eU
Thermal Properties Metric English Comments
CTE, linear 91.0 µm/m-°C

@Temperature 20.0 °C
50.6 µin/in-°F

@Temperature 68.0 °F
Deflection Temperature at 0.46 MPa (66 psi) 94.0 °C
201 °F
Annealed; ISO 75-2A
Deflection Temperature at 1.8 MPa (264 psi) 77.0 °C
171 °F
Unannealed; ISO 75-2A
Vicat Softening Point 95.0 °C
203 °F
50N (T° increase = 5°C/h); ISO 306B50
102 °C
216 °F
10N (T° increase = 50°C/h); ISO 306A50
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
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