Standard Moisture Regain and Moisture Content of Fibers

Standard Moisture Regain and Moisture Content of Fibers
Rana Sohel
Executive Engineer
Sunman Textile Mills Ltd. Chittagong
Cell: +8801912-420118
Email: rsohel07tex@gmail.com



Moisture regain:
It is defined as the weight of water in a material expressed a percentage of the oven dry weight of the material.

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%)
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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