Polystyrene Foam (EPS) Physical Data Sheet

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Product General and Technical Information
Date: 04/20/2001 Name: Expanded Polystyrene Foam
(3pcf / Type L300)
General Information
Expanded Polystyrene, or EPS, has a range of densities and applications, including arts and crafts, insulation and packaging.

Property (ASTM C 578-92(all)) Values
(1LB)
Values
(2LB)
Values
(3LB)

Density (LB/Cubic Ft.)

Thermal Conductivity
(Btu-in/hr-Sq.Ft. - °F)
@ 25°F / @ 40°F / @ 75°F

Thermal Resistance
(R-Value @ 1" Thick)
@ 25°F / @ 40°F / @ 75°F

Compressive 10% Deformation (PSI)

Flexural (PSI)

Tensile (PSI)

Shear (PSI)

Shear Modulus (PSI)

Modulus of Elasticity (PSI)

WVT (perm. in)

Absorption (%) vol. Max.

Capillarity

Coefficient of Thermal Expansion in./(in.)(F)

Maximum Service Temperature(°F)
Long-term / Short-term

Oxygen Index (%)

1.02


0.23 / 0.24 / 0.26



4.35 / 4.17 / 3.85


12

27

18

20

300

200

3.5

4.0

NONE

0.000035


167 / 180

24.0

2.00


0.20 / 0.21 / 0.23



5.00 / 4.76 / 4.35


29

63

26

36

620

480

1.3

2.0

NONE

0.000035


167 / 180

24.0

3.00


0.17 / 0.18 / 0.20



5.65 / 5.35 / 4.85


46

99

34

52

940

760

0.7

1.0

NONE

0.000035


167 / 180

24.0



All values reported are typical values. We cannot guarantee the applicability or the accuracy of this information or the suitability of the product for any particular purpose. This product is sold without warranty, expressed or implied. (Unless stated otherwise.) Buyer assumes all responsibility for loss or damage arising from the handling and use of this product, whether done in accordance with directions or not. Statements concerning the possible use of this product are not intended as recommendation to use this product in the infringement of any patent.

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