Americas Styrenics STYRON® EB6755 High Impact Polystyrene

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Americas Styrenics STYRON® EB6755 High Impact Polystyrene
Categories:	Polymer; Thermoplastic; Polystyrene (PS); Polystyrene, Impact Modified
Material Notes:	Product Characteristics Good Environmental Stress Crack Resistance (ESCR) and practical toughness Good practical toughness Deep draw thermoforming capable Good low temperature impact Food Contact Compliant Typical Applications Packaging for foods such as yogurt, sour cream, delicatessen salads and gravy Containers and lids Cold temperature packaging Portion dairy containers Information provided by AmericasStyrenics LLC.
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Physical Properties	Metric	English	Comments

Specific Gravity	1.04 g/cc	1.04 g/cc	ASTM D792
Linear Mold Shrinkage	0.0040 - 0.0080 cm/cm	0.0040 - 0.0080 in/in	ASTM D955
Melt Flow	3.2 g/10 min @Load 5.00 kg, Temperature 200 °C	3.2 g/10 min @Load 11.0 lb, Temperature 392 °F	ASTM D1238

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell R	93.0	93.0	ASTM D785
Tensile Strength at Break	20.0 MPa	2900 psi	ASTM D638
Tensile Strength	21.4 MPa	3100 psi	ASTM D638
Elongation at Break	75 %	75 %	ASTM D638
Tensile Modulus	1.45 GPa	210 ksi	ASTM D638
Flexural Strength	28.3 MPa	4100 psi	ASTM D790
Flexural Modulus	1.45 GPa	210 ksi	ASTM D790
Izod Impact, Notched	1.07 J/cm	2.00 ft-lb/in	compression molded; ASTM D256
	1.44 J/cm	2.70 ft-lb/in	injection molded; ASTM D256

Thermal Properties	Metric	English	Comments
CTE, linear	90.0 µm/m-°C	50.0 µin/in-°F	ASTM D696
Deflection Temperature at 0.46 MPa (66 psi)	89.4 °C	193 °F	ASTM D648
Deflection Temperature at 1.8 MPa (264 psi)	79.4 °C	175 °F	ASTM D648
Vicat Softening Point	101 °C	213 °F	ASTM D1525

Processing Properties	Metric	English	Comments
Nozzle Temperature	213 - 243 °C	415 - 469 °F	Injection Molding
Zone 1	177 - 193 °C	351 - 379 °F	Extrusion Molding
	218 - 249 °C	424 - 480 °F	Injection Molding
Zone 2	182 - 204 °C	360 - 399 °F	Extrusion Molding
	218 - 249 °C	424 - 480 °F	Injection Molding
Zone 3	188 - 210 °C	370 - 410 °F	Extrusion Molding
	199 - 213 °C	390 - 415 °F	Injection Molding
Zone 4	199 - 216 °C	390 - 421 °F	Extrusion Molding
Zone 5	204 - 221 °C	399 - 430 °F	Extrusion Molding
Die Temperature	199 - 232 °C	390 - 450 °F	Extrusion Molding
Melt Temperature	193 - 232 °C	379 - 450 °F	Extrusion Molding
Back Pressure	2.00 - 12.0 MPa	290 - 1740 psi	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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PAMERI930c / 323918

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