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Idemitsu Chemicals Xarec® S131 is a Syndiotactic Polystyrene (SPS) product filled with 30% glass fiber. It can be processed by injection molding and is available in Africa & Middle East, Asia Pacific, Europe, Latin America, or North America. Primary characteristic: flame rated.

Polymer Name: Syndiotactic Polystyrene (sPS)

Fillers Included: Glass Fiber

Processing Methods: Injection Molding

Technical Data Sheet
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Knowde Enhanced TDS

Identification & Functionality

Chemical Family
Fillers Included
Plastics & Elastomers Functions
Technologies

Features & Benefits

Applications & Uses

Plastics & Elastomers End Uses
Plastics & Elastomers Processing Methods

Properties

Physical Form
Physical Properties
ValueUnitsTest Method / Conditions
Mold Shrinkage - Cross Flow (-30°C)43x10-6mm/mm/°CTMA
Mold Shrinkage - Flow (-30°C)19x10-6mm/mm/°CTMA
Water Absorption (24h, 50% RH)0.01%ISO 62
Density1.25g/cm3ISO 1183
Glass Content30wt%
Thermal Properties
ValueUnitsTest Method / Conditions
Linear Thermal Expansion Coefficient - Cross Flow0.3 - 0.8%Idemitsu Method
Linear Thermal Expansion Coefficient - Flow0.1 - 0.4%Idemitsu Method
Deflection Temperature Under Load (1.8 MPa)245ISO 75 A
Deflection Temperature Under Load (0.45 MPa)265ISO 75 B
Electrical Properties
ValueUnitsTest Method / Conditions
Comparative Tracking Index - CTI1 equivalentPLC levelIEC 60112 Solution A
Dielectric Constant (1 MHz)2.9-ASTM D 150
Dissipation Factor (1 MHz)0.001-ASTM D 150
RTI Mechanical with Impact (Imp)120°CUL 746B
RTI Mechanical Without Impact (Str)130°CUL 746B
Dielectric Strength48kV/mmASTM D149
RTI Elec130°CUL 746B
Volume Resistivitymin. 1E+16Ω·cmASTM D257
Flammability
ValueUnitsTest Method / Conditions
Flammability0.75mmUL 94
Processing Parameters
ValueUnitsTest Method / Conditions
Pre-drying Timings3.0 - 5h
Pre-drying Temperature120°C
Mold Temperature130 - 155°C
Melt Temperature280 - 310°C

Regulatory & Compliance

Certifications & Compliance

Packaging & Availability

Regional Availability
  • Asia Pacific
  • Europe
  • Latin America
  • North America