Total Lacqrene® 4241 High Impact Polystyrene

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Total Lacqrene® 4241 High Impact Polystyrene (discontinued **)
Categories:	Polymer; Thermoplastic; Polystyrene (PS)
Material Notes:	Description LACQRENE® 14240 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 dimensional stability at elevated temperatures, e.g. TV moldings. Applications: Sheet for thermoforming, Industrial sheet, Sanitary ware, Profiles, TV moldings, Shoe heels, Reels and spools, Flower pots. Information provided provided by Total Petrochemicals. Total Petrochemicals includes former Fina and Atofina plastics product lines.
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Physical Properties	Original Value	Comments

Density	1.05 g/cc	ISO 1183
Water Absorption	<= 0.10 %	ISO 62
Linear Mold Shrinkage	0.0040 - 0.0070 cm/cm
Melt Flow	4.0 g/10 min @Load 5.00 kg, Temperature 200 °C

Mechanical Properties	Original Value	Comments
Hardness, Rockwell R	76	ISO 2039-2
Tensile Strength at Break	24.0 MPa	ISO 527-2
Tensile Strength, Yield	26.0 MPa	ISO 527-2
Elongation at Break	55 %	ISO 527-2
Tensile Modulus	2.10 GPa	ISO 527-2
Flexural Modulus	2.00 GPa	ISO 178
Izod Impact, Notched	10.0 kg-cm/cm	ASTM D256A
Izod Impact, Notched (ISO)	10.0 kJ/m²	ISO 180/1A
Charpy Impact, Notched	0.100 J/cm²	ISO 179/1eU

Electrical Properties	Original Value	Comments
Surface Resistivity per Square	>= 1.00e+13 ohm	ISO IEC93
Dielectric Strength	150 kV/mm

Thermal Properties	Original Value	Comments
CTE, linear	91.0 µm/m-°C @Temperature 20.0 °C
Deflection Temperature at 0.46 MPa (66 psi)	90.0 °C	Annealed; ISO 75-2B
Deflection Temperature at 1.8 MPa (264 psi)	74.0 °C	Unannealed; ISO 75-2A
Vicat Softening Point	89.0 °C	50N (T° increase = 5°C/h); ISO 306B50
	97.0 °C	10N (T° increase = 50°C/h); ISO 306A50

**
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