Technical datasheet

SureSpec GS-025

Supplied byGenesis Polymers- Last Updated on Jan 8, 2026

SureSpec GS-025 by Genesis Polymers is a general purpose polystyrene (GPPS) grade with high molecular weight. Exhibits high tensile strength, high heat resistance and high stiffness. Offers good flow processability, good dimensional stability and excellent clarity. Designed for processing by foamed sheet extrusion and injection molding. Used for packaging applications. SureSpec GS-025 complies with FDA regulation 21CFR 177.1640 and international regulations concerning the use of polystyrene in contact with food articles.
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Benefits

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Compliance

Food Contact Approval
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SureSpec GS-025 properties

Mechanical properties

PropertiesValue & unitTest conditionTest method
1% Secant Modulus0.0 Visible After LoginVisible After LoginVisible After Login
Elongation at Break0.0 Visible After LoginVisible After LoginVisible After Login
Flexural Strength0.0 Visible After LoginVisible After LoginVisible After Login
Hardness, Rockwell R0.0 Visible After LoginVisible After LoginVisible After Login
Impact Strength, Notched Izod0.0 Visible After LoginVisible After LoginVisible After Login
Modulus of Elasticity0.0 Visible After LoginVisible After LoginVisible After Login

Other properties

PropertiesValue & unitTest conditionTest method
Tensile Strength at Yield0.0 Visible After LoginVisible After LoginVisible After Login

Physical properties

PropertiesValue & unitTest conditionTest method
Density0.0 Visible After LoginVisible After LoginVisible After Login
Melt Mass-Flow Rate (MFR or MFI = Melt Flow Index or MI = Melt Index)0.0 Visible After LoginVisible After LoginVisible After Login

Thermal properties

PropertiesValue & unitTest conditionTest method
Decomposition Temperature0.0 Visible After LoginVisible After LoginVisible After Login
Heat Deflection Temperature (HDT), Unannealed0.0 Visible After LoginVisible After LoginVisible After Login
Melting Point0.0 Visible After LoginVisible After LoginVisible After Login
Vicat Softening Temperature0.0 Visible After LoginVisible After LoginVisible After Login

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