1

2

3

4

5

Density(Kg/m³)

28

25

28

25

28

25

28

25

28

25

Tensile strength(Kpa)

50

45

50

45

65

55

75

70

80

75

Elongation(%)

75

65

85

75

105

95

115

105

130

120

Compressed permanent deformation%

4.0

6.0

4.0

6.0

4.0

6.0

4.0

6.0

4.0

6.0

Resilience rate%

40

35

40

35

40

35

40

35

40

35

Strength at breakN/CM

2.20

1.70

2.20

1.70

2.20

1.70

2.20

1.70

2.20

1.70

Rigidity when compressed by%

80

70

80

70

80

70

80

70

80

70

Rigidity when compressed by 65% %

140

120

140

120

140

120

140

120

140

120

Compression ratio

1.7

1.5

1.7

1.5

1.7

1.5

1.7

1.5

1.7

1.5