Chemical and physical Composition of Cotton, Wool, Silk, Jute

Chemical composition of Cotton:

1. Cellulose: 85.5%
2. Oil and Wax: 0.5%
3. Portion pectoses and coloring matter: 5%
4. Moisture Regain: 8.5%
5. Mineral matter: 1%

Chemical composition of Wool:

1. Keratin: 33%
2. Dust: 26%
3. Fat:12%
4. Saint: 28%
5. Mineral: 1%

Chemical composition of Silk:

1. Silk gum or sericin: 22–25%
2. Silk or fibroin: 62–67%
3. Moisture regain: 10–11%
4. Salt: 1–1.5%

Chemical composition of Jute:

1. Cellulose: 65.2%
2. Hemi-cellulose: 22.2%
3. Lignin: 10.8%
4. Water soluble: 1.5%
5. Fats and wax: 0.3%

Physical properties of Cotton:

1. Specific gravity: 1.52%
2. Moisture regain: 8.5%
3. Strength®Tenacity®Dry: 3.5g/d
4. elasticity®Breaking extension: 6–10%
5. resiliency: Low
6. Abrasion resistance: Medium
7. Dimensional stability: Medium

Physical properties of Wool:

1. Specific gravity: 1.31%
2. Moisture regain:13–16%
3. Strength®Tenacity®Dry: 1.35g/d
4. Elasticity®Breaking extension: 42.5%
5. Resiliency: Excellent
6. Abrasion resistance: Good
7. Dimensional stability: Bad

Physical properties of Silk:

1. Specific gravity: 1.34%
2. Moisture regain:11%
3. Strength®Tenacity®Dry: 4.3g/d
4. Elasticity®Breaking extension: 23.4%
5. Resiliency: Moderate
6. Abrasion resistance: Good
7. Dimensional stability: Good

Physical properties of Jute:

1. Specific gravity: 1.48%
2. Moisture regain:13.7%
3. Strength®Tenacity®Dry: 4–7g/d
4. Elasticity®Breaking extension: