Moisture regain:
It is defined as the weight of water in a material expressed as a percentage of the oven-dry weight of the material. In this article, we will know the standard moisture regain and moisture content of fibers.
Standard Moisture Regain and Moisture Content of Fibers
Let,
- Oven dry weight of a material = D
- Weight of water in this material = W
………………………………W
Moisture regain, R = …… X 100
……………………………….D
Moisture content:
Moisture content is defined as the weight of water in a material express as a percentage of the total weight of the material.
…………………………………..W
Moisture content, C = ……….. X 100
…………………………………W+D
Table: Moisture Regain and Moisture Content of Fibers
| Textile Fiber | Moisture Regain (MR%) | Moisture Content (MC%) |
| Cotton | 8.5 | 7.34 |
| Jute | 13.75 | 12.1 |
| Viscose | 11.0 | 9.91 |
| Silk | 11.0 | 9.91 |
| Wool | 16.0 | 13.8 |
| Acrylic | 1.5 | 0 |
| Flax | 12.4 | 10.4 |
| Hemp | 12.4 | 10.4 |
| Acetate | 6.0 | 0 |
| Polyester | 0.4 | 0 |
| Nylon | 4.0 | 3.1 |
| Azlon | 10 | |
| Metalic | 0 | |
| Triacetate | 3.5 | |
| Rubber | 0 | |
| Wool yarn | 18.25 | |
| Glass | 0 |
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what is the standard moisture regain and moisture content of 100% cotton yarn. – A.V. ADYCCAPPAN