Technical datasheet

SEPS N12

Supplied byKumho Petrochemical- Last Updated on Feb 6, 2026

SEPS N12 by Kumho Petrochemical is a self-extinguishing, high multiple expandable polystyrene (EPS) grade. Exhibits good heat insulation, shock absorption, and water & sound resistance. SEPS N12 is recommended for insulation board and sandwich panel applications. SEPS N12 by Kumho Petrochemical complies with the RoHS and REACH Regulation (EC) No 1907/2006 regulations.
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Compliance

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SEPS N12 properties

Flammability properties

PropertiesValue & unitTest conditionTest method
Auto-ignition Temperature0.0 Visible After LoginVisible After LoginVisible After Login
Flame Rating, UL 940.0 Visible After LoginVisible After LoginVisible After Login
Flame Rating, UL 940.0 Visible After LoginVisible After LoginVisible After Login
Flash Point0.0 Visible After LoginVisible After LoginVisible After Login

Mechanical properties

PropertiesValue & unitTest conditionTest method
Compressive Strength0.0 Visible After LoginVisible After LoginVisible After Login
Flexural Demolition Load0.0 Visible After LoginVisible After LoginVisible After Login

Physical properties

PropertiesValue & unitTest conditionTest method
Bead Size0.0 Visible After LoginVisible After LoginVisible After Login
Blowing Agent Content0.0 Visible After LoginVisible After LoginVisible After Login
Density, Expanded0.0 Visible After LoginVisible After LoginVisible After Login
Expandability0.0 Visible After LoginVisible After LoginVisible After Login
Normal Molded Density Range0.0 Visible After LoginVisible After LoginVisible After Login
Water Absorption0.0 Visible After LoginVisible After LoginVisible After Login

Thermal properties

PropertiesValue & unitTest conditionTest method
Combustibility0.0 Visible After LoginVisible After LoginVisible After Login
Melting Point0.0 Visible After LoginVisible After LoginVisible After Login
Thermal Conductivity0.0 Visible After LoginVisible After LoginVisible After Login

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