Table 2 Physical properties of untreated and treated samples.

From: Analysis of effect of thickness and surface treatment on sound transmission loss characteristics of natural fibres

S. No.

Sample

Average Weight of sample (g)

Average Thickness of sample (mm)

Density of Sample (g/cm3)

1

Untreated Coir (UC)

4.60

5.33 ± 0.703

0.109

2

Untreated Sponge Gourd (USG)

3.52

5.13 ± 0.457

0.087

3

Treated Coir (TC)

3.81

5.33 ± 0.703

0.091

4

Treated Sponge Gourd (TSG)

2.25

5.13 ± 0.457

0.056