Chemical Composition of Textile Fiber (Natural) | Chemical Composition of Cotton Fiber/Jute Fiber/Linen/Flax Fiber/Hemp Fiber/Sisal Fiber/Coir Fiber/Wool Fiber/Silk Fiber

Chemical Composition of Natural Fiber:
Every fiber consists of some chemical elements. Such as cotton contains cellulose, protein, pectin etc. Wool contains keratin, dirt, suint etc. Chemical composition of natural fibers are given below:

Chemical Composition of Cotton Fiber:

• Cellulose                                            94%
• Protein                                               1.3%
• Ash                                                    1.2%
• Pectin                                                 1.2%
• Oil, Fat and Wax                                0.6%
• Sugar                                                 0.3%
• Pigment                                              trace
• Others                                                1.4%

Chemical Composition of Jute Fiber:

• Cellulose                                            65.2%
• Hemicellulose                                     22.2%
• Lignin                                                10.8%
• Water soluble                                    1.5%
• Fats and wax                                     0.3%

Chemical Composition of Linen/Flax Fiber:

• Cellulose                                          92%
• Hemicellulose                                   2%
• Lignin                                               4%
• Others                                             2%

Chemical Composition of Hemp Fiber:

• Cellulose                                         77.77%
• Hemicellulose                                  10%
• Lignin                                              6.8%
• Pectin                                             2.9%
• Fat & wax                                      0.90%
• Water soluble                                 1.73%

Chemical Composition of Sisal Fiber:

• Cellulose                                                71.5%
• Hemicellulose                                        18%
• Lignin                                                    6%
• Pectin                                                    2.3%
• Fat & wax                                             0.5%
• Water soluble                                        1.7%

Chemical Composition of Coir Fiber:

• Husk                                                              14%
• Fiber                                                              22%
• Pith                                                                16%
• Kernel                                                            30%
• Water                                                             18%

Chemical Composition of Wool Fiber:

• Keratin                                                           33%
• Dirt                                                                 26%
• Suint                                                               28%
• Fat                                                                 12%
• Mineral matter                                                1%

Chemical Composition of Keratin:

• Carbon                                                          50%
• Hydrogen                                                       12%
• Oxygen                                                          10%
• Nitrogen                                                         25%
• Sulfher                                                            3%

Chemical Composition of Silk Fiber:

• Fibroin                                                          76%
• Sericin                                                           22%
• Fat & wax                                                     1.5%
• Mineral salt                                                     0.5