S. No Description

Thermo Cool

Plastic Beads

Cork

Teak wood

Perlite
1 Mean diameter(φ) in mm

5

2

1

2

1
2 Moisture content (m) in %

32

6

45

47

43
3 Specific gravity (G)

1

1.2

0.90

3.1

1.8
4 Specific dry density(pd)  in Kg/m3

90

180

155

200

205
5 Specific wet density(pd)  in Kg/m3

160

200

210

255

295
6 Specific surface area (Sa)  in m2/m3

7010

6090

5010

6085

7030
Table 1: Physical properties of different carrier materials.