Composite

Rank

Tensile Strength

Impact Toughness

Energy at fracture

Flexural Strength

C11

12

11

12

12

C12

11

11

11

11

C13

10

10

10

10

C14

9

4

9

9

C21

8

8

8

8

C22

7

8

7

7

C23

6

6

6

6

C24

1

2

4

5

C31

5

4

5

4

C32

4

6

3

3

C33

3

2

2

2

C34

2

1

1

1