Americas Styrenics STYRON® 498 High Impact Polystyrene

Category	Polymer , Thermoplastic , Polystyrene (PS) , Polystyrene, Impact Modified
Manufacturer	Americas Styrenics LLC
Trade Name	STYRON®
Port	Ningbo port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	Americas Styrenics STYRON® 498 High Impact Polystyrene.pdf
Price	EMAIL US sales@lookpolymers.com

Material Notes:

Product CharacteristicsHigh glossHigh impactFood Contact CompliantUL Classification 94HBTypical ApplicationsAppliancesMedicalHousewaresConsumer electronicsInformation provided by AmericasStyrenics LLC.

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	3.5 g/10 min @Load 5.00 kg, Temperature 200 °C	3.5 g/10 min @Load 11.0 lb, Temperature 392 °F	ASTM D1238

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell R	114	114	ASTM D785
Tensile Strength at Break	29.6 MPa	4300 psi	ASTM D638
Tensile Strength	35.9 MPa	5200 psi	ASTM D638
Elongation at Break	45 %	45 %	ASTM D638
Tensile Modulus	2.24 GPa	325 ksi	ASTM D638
Flexural Strength	48.3 MPa	7000 psi	ASTM D790
Flexural Modulus	2.34 GPa	340 ksi	ASTM D790
Izod Impact, Notched	0.854 J/cm	1.60 ft-lb/in	compression molded; ASTM D256
	1.07 J/cm	2.00 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)	93.3 °C	200 °F	ASTM D648
Deflection Temperature at 1.8 MPa (264 psi)	82.8 °C	181 °F	ASTM D648
Vicat Softening Point	105 °C	221 °F	ASTM D1525

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