Idemitsu Kosan Global Business

Technical datasheet

XAREC™ SP151

Supplied byIdemitsu Kosan- Last Updated on Jul 17, 2025

XAREC™ SP151 by Idemitsu Kosan is a syndiotactic polystyrene (SPS) grade reinforced with 30 % glass fiber. Possesses good electrical properties & offers good processability and dimensional stability. Exhibits good hydrolysis-, chemical and long term heat resistance. Is suitable for processing by injection molding. Used in automotive and electronic applications. Complies with RoHS and UL certification.
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Compliance

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XAREC™ SP151 properties

Electrical properties

PropertiesValue & unitTest conditionTest method
Arc Resistance0.0 Visible After LoginVisible After LoginVisible After Login
Comparative Tracking Index (CTI)0.0 Visible After LoginVisible After LoginVisible After Login
Dielectric Constant0.0 Visible After LoginVisible After LoginVisible After Login
Dielectric Strength0.0 Visible After LoginVisible After LoginVisible After Login
Dissipation Factor0.0 Visible After LoginVisible After LoginVisible After Login
Volume Resistivity0.0 Visible After LoginVisible After LoginVisible After Login

Flammability properties

PropertiesValue & unitTest conditionTest method
Flame rating (UL 94)0.0 Visible After LoginVisible After LoginVisible After Login

Mechanical properties

PropertiesValue & unitTest conditionTest method
Elongation at Break0.0 Visible After LoginVisible After LoginVisible After Login
Flexural Modulus0.0 Visible After LoginVisible After LoginVisible After Login
Flexural Strength0.0 Visible After LoginVisible After LoginVisible After Login
Impact Strength, Notched Charpy0.0 Visible After LoginVisible After LoginVisible After Login
Impact Strength, Notched Izod0.0 Visible After LoginVisible After LoginVisible After Login
Impact Strength, Unnotched Charpy0.0 Visible After LoginVisible After LoginVisible After Login
Impact Strength, Unnotched Izod0.0 Visible After LoginVisible After LoginVisible After Login
Modulus of Elasticity0.0 Visible After LoginVisible After LoginVisible After Login
Tensile Strength at Break0.0 Visible After LoginVisible After LoginVisible After Login

Physical properties

PropertiesValue & unitTest conditionTest method
Density0.0 Visible After LoginVisible After LoginVisible After Login
Water Absorption0.0 Visible After LoginVisible After LoginVisible After Login

Thermal properties

PropertiesValue & unitTest conditionTest method
CTE, Linear0.0 Visible After LoginVisible After LoginVisible After Login
CTE, Linear0.0 Visible After LoginVisible After LoginVisible After Login
Heat Deflection Temperature (HDT)0.0 Visible After LoginVisible After LoginVisible After Login
Heat Deflection Temperature (HDT)0.0 Visible After LoginVisible After LoginVisible After Login
Heat Deflection Temperature (HDT), Unannealed0.0 Visible After LoginVisible After LoginVisible After Login
Heat Deflection Temperature (HDT), Unannealed0.0 Visible After LoginVisible After LoginVisible After Login

XAREC™ SP151 Processing Guidelines

Injection Molding Processing Guidelines

PropertiesValue & unitTest conditionTest method
Melt TemperatureVisible After LoginVisible After Login
Mold TemperatureVisible After LoginVisible After Login
Mold TemperatureVisible After LoginVisible After Login
Mold shrinkage, Cross Flow, Mold temperature 80°CVisible After LoginVisible After Login
Mold shrinkage, Flow, Mold temperature 80°CVisible After LoginVisible After Login
Pre Drying TimeVisible After LoginVisible After Login
Pre-Drying TemperatureVisible After LoginVisible After Login