Idemitsu Kosan XAREC™ SW130 Syndiotactic Polystyrene (SPS)

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Idemitsu Kosan XAREC™ SW130 Syndiotactic Polystyrene (SPS)
Categories:	Polymer; Thermoplastic; Polystyrene (PS); Syndiotactic Polystyrene (SPS)
Material Notes:	Special grade. PS-ST. General Xarec™ Information: XAREC boasts remarkable heat and chemical resistance, as well as superior dimensional stability, making it the preferred SPS in many fields. XAREC is used in the automobile industry for use in critical electrical parts and components. XAREC is often applied to lead-free reflow soldering to comply with current environmental regulations such as RoHS. Information provided by Idemitsu Losan Co.
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Physical Properties	Metric	English	Comments

Density	1.21 g/cc	0.0437 lb/in³	ISO 1183
Moisture Absorption	0.0200 % @Time 86400 sec	0.0200 % @Time 24.0 hour	50% RH; ISO 62
Linear Mold Shrinkage, Flow	0.0040 - 0.013 cm/cm	0.0040 - 0.013 in/in	Idemitsu Method
Linear Mold Shrinkage, Transverse	0.0050 - 0.015 cm/cm	0.0050 - 0.015 in/in	Idemitsu Method

Mechanical Properties	Metric	English	Comments
Tensile Strength, Yield	38.0 MPa	5510 psi	ISO 527
Elongation at Break	3.3 %	3.3 %	ISO 527
Tensile Modulus	3.80 GPa	551 ksi	ISO 527
Flexural Strength	72.0 MPa	10400 psi	ISO 178
Flexural Modulus	3.40 GPa	493 ksi	ISO 178
Izod Impact, Notched (ISO)	3.00 kJ/m²	1.43 ft-lb/in²	ISO 180
Izod Impact, Unnotched (ISO)	20.0 kJ/m²	9.52 ft-lb/in²	ISO 179
Charpy Impact Unnotched	3.00 J/cm²	14.3 ft-lb/in²	ISO 179
Charpy Impact, Notched	0.300 J/cm²	1.43 ft-lb/in²	ISO 179

Thermal Properties	Metric	English	Comments
CTE, linear, Parallel to Flow	55.0 µm/m-°C @Temperature -30.0 - 30.0 °C	30.6 µin/in-°F @Temperature -22.0 - 86.0 °F	TMA
CTE, linear, Transverse to Flow	76.0 µm/m-°C @Temperature -30.0 - 30.0 °C	42.2 µin/in-°F @Temperature -22.0 - 86.0 °F	TMA
Deflection Temperature at 0.46 MPa (66 psi)	163 °C	325 °F	ISO 75B
Deflection Temperature at 1.8 MPa (264 psi)	98.0 °C	208 °F	ISO 75A

Processing Properties	Metric	English	Comments
Melt Temperature	280 - 310 °C	536 - 590 °F
Drying Temperature	80.0 °C @Time 10800 - 18000 sec	176 °F @Time 3.00 - 5.00 hour

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PIDEM155 / 249619

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