Silk is a natural fiber made mostly from the cocoons of the mulberry silkworm. Fabric made from silk absorbs and releases moisture very well, and the strands of silk regulate the temperature because of their structure, which is very apparent under the lens of the microscope.
Triangular in shape, silk strands have a natural shiny surface. The fiber is a natural protein and is one of the strongest natural fibers. Making silk one of best fibers for clothes.
In the clothes-making industry, technical tests with a microscope are performed for the analysis of the quality of silk fibers.