Specimen

Thermal Conductivity

(W/(m∙K))

Flexural Modulus (MPa)

Flexural Strength

(MPa)

Young’s

Modulus (MPa)

Tensile Strength (MPa)

Impact Strength (kJ/m²)

Performance

Index

(P_i)

Price (?

Rank

Concrete Roof Tile

0.13

7500

5

15,000

7

2

0.68

2

3^rd

S0

0.054

3800

38.96

2376

23.67

3.62

0.70

1

2^nd

S1

0.005

4431

51.30

1894

19.36

3.65

0.73

28

1^st

S2

0.016

2000

31.08

1602

15.62

4.70

0.63

28

4^th

S3

0.042

1540

20.24

1064

11.19

5.03

0.55

28

5^th