Shape of the test piece

Dimension (cm)

Number of tested pieces

Compression test

Cube

7 × 7 × 7

3

Bending test

Plate

22 × 10 × 5

3

Wear test

Plate

10 × 10 × 3

3

Water absorption test

Cube

7 × 7 × 7

5

Impact test

Plate

20 × 20 × 3

3

Real density

Cube

7 × 7 × 7

3

Apparent density

Cube

7 × 7 × 7

3

Ultrasonic testing

Prism

7 × 7 × 28

3

Porosity test

Cube

7 × 7 × 7

3