S. no

GSM

Sample weight (10 × 10 cm)

Thickness of Material (mm)

Type of Web laying

Type of bonding

1

350

3.50

3

Cross laying

Needle punching

2

450

4.50

4

Cross laying

Needle punching

3

550

5.50

5

Cross laying

Needle punching

4

650

6.50

6

Cross laying

Needle punching

5

750

7.50

7

Cross laying

Needle punching