Total Lacqrene® 3351(AS) Impact Polystyrene

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Total Lacqrene® 3351(AS) Impact Polystyrene (discontinued **)
Categories:	Polymer; Thermoplastic; Polystyrene (PS)
Material Notes:	LACQRENE® 3351 is a high heat resistance, high impact polystyrene for injection molding and extrusion/thermoforming. It is recommended for the manufacture of articles which require good dimensional stability at elevated temperatures. LACQRENE® 3351 gives a good compromise in the extrusion and thermoforming of sheet for hot-fill applications. Application TV covers, Printers, Scanners, Electrical appliances, Coffee cups, Dilution with crystal for CD box inserts, High heat food trays 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	1.04 g/cc	ASTM D1505
Linear Mold Shrinkage	0.0040 - 0.0070 cm/cm
Melt Flow	4.5 g/10 min @Load 5.00 kg, Temperature 200 °C	ASTM 1238G

Mechanical Properties	Original Value	Comments
Hardness, Rockwell R	77	ASTM D785
Tensile Strength, Yield	260 kg(f)/cm²	ASTM D638
Elongation at Break	55 %	ASTM D638M
Flexural Yield Strength	50.0 kg(f)/cm²	ASTM D790
Flexural Modulus	20000 kg(f)/cm²	ASTM D790
Izod Impact, Notched	9.00 kg-cm/cm	Notched/Unnotched not specified; ASTM D256A

Electrical Properties	Original Value	Comments
Surface Resistivity per Square	>= 1.00e+14 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 1.8 MPa (264 psi)	74.0 °C	ASTM D648
Vicat Softening Point	95.0 °C	50N (T° increase = 5°C/h); ASTM D1525B
	103 °C	10N (T° increase = 50°C/h); ASTM D1525A
Flammability, UL94	HB

Processing Properties	Original Value	Comments
Melt Temperature	200 - 240 °C
Drying Temperature	70.0 °C	Pre drying temperature
Dry Time	2 hour

**
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