Effect of Enzyme Washing Combined With Pumice Stone on the Physical, Mechanical and Color Properties of Denim Garments
Garments washing is being used as a novel process to modify the appearance, to impart worn-out look and to improve the comfort ability of the garments, especially denim garments. Enzyme washing of denim garments helps in bio- polishing and to fade the color of the denim to a desired degree depending on the processing time and conditions. Adding pumice stone with the enzyme extends the degree of fading and adds special effect in the multi ply areas like different seams and hems. This paper presents the impact of enzyme- pumice stone combined treatment on 100% cotton denim. Garments were washed using an enzyme concentration of 1.5, 2.0 and 2.5 g/l for 40 minutes in 55°C temperature with addition of 0.5 owg (On the weight of garments) pumice stone. The physical and mechanical properties of the treated denims were analyzed using standard test methods. The properties that were analyzed include hand feel, tensile strength, seam strength, fabric weight, stiffness, dimensional stability and color shade. Enzyme- stone washed garments exhibit a great difference in the physical and mechanical properties than the unwashed garments.