Technical datasheet

SEPS N20

Supplied byKumho Petrochemical- Last Updated on Feb 6, 2026

SEPS N20 by Kumho Petrochemical is a self-extinguishing, high multiple expandable polystyrene (EPS) grade. Exhibits good heat insulation, shock absorption, and water & sound resistance. SEPS N20 by Kumho Petrochemical is recommended for insulation board, and construction materials applications. Complies with the RoHS regulation.
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Benefits

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Compliance

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SEPS N20 properties

Flammability properties

PropertiesValue & unitTest conditionTest method
Flame Rating0.0 Visible After LoginVisible After LoginVisible After Login
Flame Rating, UL 940.0 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
Thermal Conductivity0.0 Visible After LoginVisible After LoginVisible After Login

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