Table 1. Typical Properties of EPS Molded Packaging (70F Test Temperature)

Density
(pcf)

Stress @ 10%
Compression (psi)

Flexural
Strength (psi)

Tensile
Strength (psi)

Shear
Strength (psi)

1.0

13

29

31

31

1.5

24

43

51

53

2.0

30

58

62

70

2.5

42

75

74

92

3.0

64

88

88

118

3.3

67

105

98

140

4.0

80

125

108

175

Note: Values based on ASTM short-term, laboratory-load conditions. Both temperature and time period of loading may affect end-point values.


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