Most of the fibres are hydroscopic and hydrophobic in nature,moisture absorbency divided whether the fabric is suitable for particular puspose.
- Moisture Regain
- Moisture Content
1. 1 Moisture Regain
It is defined as weight of water in a material expressed as a percentage of oven dry weight.
It is denoted by R.
R=W/D*100 Where,W=Weight of water and D=Oven dry weight
1.2 Moisture Content
It is defined as the weight of water in a material expressed as a percentage of total weight.
It is denoted by M.
M=W/(W+D)*100 Where,W=Weight of water and D=Oven dry weight
2. Relationship between Moisture Regain and Moisture Content
Where : M= Moisture Content, R= Moisture Regain
MR and MC values of various fibres:
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