Americas Styrenics Styron® 692 Polystyrene

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Americas Styrenics Styron® 692 Polystyrene
Categories:	Polymer; Thermoplastic; Polystyrene (PS); Polystyrene, Heat Resistant Grade
Material Notes:	Product Characteristics: High tensile strength High stiffness Food Contact Compliant UL Classification 94 HB Typical Applications: Appliance parts Housewares Americas Styrenics was formed in 2008 as a joint venture between Dow Chemical and Chevron Phillips Chemical Company. Styron was a Dow trade name before the JV formation.
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Physical Properties	Original Value	Comments

Density	1.04 g/cc	ASTM Data
Linear Mold Shrinkage	0.00400 - 0.00800 cm/cm
Melt Flow	4.0 g/10 min @Load 5.00 kg, Temperature 200 °C	ASTM Data

Mechanical Properties	Original Value	Comments
Hardness, Rockwell L	109
Tensile Strength at Break	47.0 MPa	ASTM D638
Tensile Strength	6800 psi	ASTM D638
Elongation at Break	3.0 %	ASTM D638
Tensile Modulus	450000 psi	ASTM D638
Flexural Strength	8.60 ksi	ASTM D790
Flexural Modulus	485000 psi	ASTM D790
Izod Impact, Notched	0.400 ft-lb/in	ASTM D256

Thermal Properties	Original Value	Comments
CTE, linear, Parallel to Flow	50.0 µm/m-°C @Temperature 23.0 °C	ASTM data
Deflection Temperature at 0.46 MPa (66 psi)	187 °C	Unannealed; ASTM Data
Deflection Temperature at 1.8 MPa (264 psi)	175 °C	Unannealed; ASTM Data
Vicat Softening Point	210 °C

Processing Properties	Original Value	Comments
Nozzle Temperature	213 - 243 °C	Injection Molding
Zone 1	177 - 193 °C	Extrusion Molding
	218 - 249 °C	Injection Molding
Zone 2	182 - 204 °C	Extrusion Molding
	218 - 249 °C	Injection Molding
Zone 3	188 - 210 °C	Extrusion Molding
	199 - 213 °C	Injection Molding
Zone 4	199 - 216 °C	Extrusion Molding
Zone 5	204 - 221 °C	Extrusion Molding
Die Temperature	199 - 232 °C	Extrusion Molding
Melt Temperature	193 - 232 °C	Extrusion Molding
Back Pressure	25.0 - 175 MPa	Injection Molding

Descriptive Properties
Head Pressure	10-21 MPa
Melt Pump, Adapter, Pipes, Screen Changer	193-232°C
Polish Rolls	66-104°C
Zone # 6	204-221°C

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PDW174_a / 323915

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