SPS - Syndiotactic Polystyrene


Product description

Xarec™ syndiotactic polystyrene is a high-performance semicrystalline material that owes its syndiotactic structure and therefore outstanding properties to the polymerisation of polystyrene and a metallocene catalyst.

Its excellent CTI value and low dielectric constant, combined with a low dielectric loss factor, make Xarec™ SPS the perfect choice for many applications in e-mobility, high-frequency applications and data transfer.

Xarec™ SPS offers high dimensional stability, a low specific weight, very good heat and chemical resistance, low water absorption and good surface properties. These features mean that Xarec™ SPS is often used for automotive thermal management, drinking water and food contact applications.

The SPS product family from Idemitsu is suitable for a wide range of applications such as pump parts, bathroom fitting parts, plugs, switches, coil formers, and airline and microwave dishware.

SPS (Property/Grade) Xarec™ EA533 Xarec™ C142 Xarec™ WA212
Description SPS 30%GF SPS 40%GF SPS 30%GF
Density (ISO 1183) 1.38 g/cm³ 1.36 g/cm³ 1.25 g/cm³
Tension elasticity modulus (ISO 527) 10,700 MPa 12,600 MPa 9,400 MPa
Elongation at break (ISO 527) 2.0% 1.5% 2.2%
HDT (1.80 MPa, ISO 75) 245°C 250°C 240°C
Flame resistance (UL 94) V-0 @1.5mm HB HB
CTI (IEC 60112) 2 (>250V) 1 (>400V) 0 (>600V)





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Claudio Giorio

Contact person

Claudio Giorio

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