Thread cotton combed yarn

Production of sewing threads consists of processes of a troshcheniye, torsion, finishing and rewind.

On thickness distinguish strings of the following trade numbers Nt: 10, 20, 30, 40, 50, 60, 80, 100 and 120. Than trade number of threads is higher, they are thinner than subjects.
On nature of finishing and coloring of a thread happen severe, white, black and color, opaque and glossy.

Quality of sewing threads is characterized by durability, tensile properties, elasticity, steadiness of a twist, evenness, rotundity, coloring durability, degree of a whiteness and existence or lack of defects of appearance.
Durability of sewing threads is the main indicator of their quality. Depending on explosive loading of a thread in three additions are subdivided into the Prima brands (average durability) and "Extra" (the increased durability). Severe and white threads are stronger black and color. Glossy threads are stronger than opaque.