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International Journal of Interdisciplinary Research

Table 1 Effect of cellulase enzyme concentration on the physical and mechanical properties of treated denim garments

From: Characterization and process optimization of indigo dyed cotton denim garments by enzymatic wash

Conc. of cellulase enzyme % (owf) Tensile strength (Kg f) Dimensional stability (shrinkage, %) Weight of fabric (GSM) Stiffness (cm) Water absorption (%) Moisture content (%) Moisture regain (%) EPI & PPI Elongation at break (%) Color shade (rating)
Warp Weft
0.0 Before wash 245 (0) 136 (0) 0 318 (0) 4.5 (0) 126 7.40 7.53 70 x42 L = 21 W = 16 5
0.5 230 (−6%) 124 (−9%) L = − 4.75 W = 0 326 (+2.5%) 3.2 (−28%) 145 8.81 7.95 70 x46 L = 36 W = 20 4/5
1.0 220(−10%) 120 (−12%) L = − 5.6 W = +0.5 328 (+3.0%) 3.1 (−31%) 150 8.90 8.20 70 x46 L = 37 W = 22 4
2.0 205 (−16%) 106 (−22%) L = − 6.4 W = + 0.5 334 (+5.0%) 2.62 (−41.8%) 155 8.92 8.60 69 x46 L = 37 W = 22 3/4
3.0 190 (−22%) 97 (−29%) L = −6.3 W = +1.0 334 (+5.0%) 2.49 (−44.6) 156 8.93 8.60 69 x46 L = 34 W = 20 3
3.5 190 (−22%) 91 (−33%) L = − 6.3 W = +1.0 330 (+3.7%) 2.49 (−44.6%) 156 8.93 8.60 69 x46 L = 34 W = 20 3
  1. A value at 0.0 concentrations represents the denim garments without cellulase enzyme treatment.
  2. Conditions used for enzyme washing treatment: cellulase enzyme, 0.5-3.5%; acetic acid, 1 g/l; temperature, 55°C; time, 40 min; pH, 5.5; M: L, 1:30.