Using pure water in the determination of the fiber density is a well-known technique and a simple method. But, it is known that using water in the determination of textile fibers is not sufficient. Thus, the aim of this study is to produce a simple technique in determination of the textile fibers by adding a wetting agent in the pure water. For this aim, 6 different scoured protein fibers (one from sheep origin, one from goat origin (mohair), one from rabbit origin (angora) and three from camelid origin (camel, Huacaya Alpaca and Suri Alpaca)) were investigated. In order to measure the volumes of the 2 grams of fibers, three different solvents (pure water, a wetting agent added pure water and toluene) were used. The results of the study showed that pure water is not a sufficient solvent in the determination of the protein fiber’s density since water only by itself is not enough to wet the fibers and replace the air gaps with water. Adding a wetting agent gave a little bit better results compared to the pure water. However, toluene as expected gave the best results compared to the previous studies.  

Keywords - Protein fibers, density, pure water, wetting agent, toluene

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