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EPS Foam (expanded polystyrene Type II) vs Polyimide Foam (Solimide AC-530)

Property comparison of EPS Foam (expanded polystyrene Type II) and Polyimide Foam (Solimide AC-530), both foam.

Foam4 compared properties

Property	EPS Foam (expanded polystyrene Type II)	Polyimide Foam (Solimide AC-530)	Difference
Density	20 kg/m³	6.4 kg/m³	-68%
Thermal conductivity	0.036 W/m·K	0.045 W/m·K	+25%
Specific heat	1,300 J/kg·K	1,130 J/kg·K	-13%
Coefficient of thermal expansion	0.00007 1/K	0.000054 1/K	-23%

Difference is Polyimide Foam (Solimide AC-530) relative to EPS Foam (expanded polystyrene Type II). Values are taken from the representative row of each material; both materials may have multiple heat treatments or conditions on their individual pages.

Identification

EPS Foam (expanded polystyrene Type II)

standard: ASTM

Polyimide Foam (Solimide AC-530)

standard: ASTM D3574

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View each material

EPS Foam (expanded polystyrene Type II)All properties and heat treatments Polyimide Foam (Solimide AC-530)All properties and heat treatments