Product General and Technical Information
Date: 12/12/2021
Name: Expanded Polypropylene
General Information
Expanded Polypropylene Foam (EPP) is a rigid closed-cell foam with great compression and impact resistance. Common applications include heavy duty packaging, signage, roofing strips, and more.

Property Test Method Black - 1.3LB White - 1.5LB
Density (LB/Cubic Ft.) ASTM D3575 1.3 Range, 1.5 - 2.8
Compressive Strength (PSI)
@ 10%
@ 25%
@ 50%
@ 75%
ASTM D3575  
11.7
14.5
23.5
45
 
14.85 - 32
19 - 42
28.5 - 54
54.5 - 111
Tensile Strength (PSI) ASTM D3575 38 46.75 - 67
Tensile Elongation (%) ASTM D3575 20 19 - 16
Tear Strength (LB/In.) ASTM D3575 10 11.5 - 16
Compression Set (%)
@ 25%
@ 50%
ASTM D3575  
8
14
 
7.5 - 7
13 - 12
Bouyancy (LB/cubic ft) ASTM D3575 60.5 60 - 59
Thermal Conductivity (K) ASTM C177 0.26 0.25 - 0.26
Thermal Resistance @ 70F (R) ASTM C177 3.8 3.9 - 3.8
Coeff. of Lin. Thermal Expansion (in/in/°F x 10^-5) ASTM D696 6.0 5.85 - 5.4
Service Temperature (°F; Max.)) ASTM D3575 212 212
Water Absorption (% [vol]/lb/ft^2) ASTM D3575/C272 <5.0/<0.02 <5.0/<0.02
Compressive Creep (1000hr, % [PSI]) ASTM D3575 1.8 [1.5] 1.5 [1.75] - 1.5 [3.0]
Flammability (<4.0 in/min) FMVSS-302 PASS NA
Chemical Resistance (1 hr exposure [solvents, acids, and alkalines]) Various PASS NA
Fuel Immersion (<5% [Change in Volume]) Coast Guard; Fuel B per 33 CFR § 183.114 PASS NA

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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