Definition and Measurement of Viscosity
Definition of viscosity Viscosity refers to the resistance a fluid exhibits to flow. When a fluid (gas or liquid) flows and one part flows over another, it encounters resistance, which…
Comparison of Cotton, Wool, Silk and Linen Spinning Processes
Spinning, as an engineering technology, processes fiber aggregates, and its essence is the process of changing fibers from a chaotic state into an orderly arrangement in the longitudinal direction. Currently,…
Pilling Test Procedure and Machine
During the wearing process, clothes are constantly subjected to friction, causing the fiber ends on the surface of the fabric to be pulled, belted, hooked, and pulled out, and the…
Water Repellency Test – An Overview
People have demands for water repellency and water-conducting fabrics. The water conductivity and comfort of the fabric can be seen from the wettability of the fiber surface; the waterproof performance…
Introduction of Universal Testing Machine
Definition and overview of universal testing machine The universal testing machine is also called a tensile testing machine. It is an instrument used to conduct static load, tensile, compression, tearing,…
What You Need to Know about Melting Point Test
The melting point is the temperature at which a solid changes (melts) its physical state from solid to liquid. The temperature at which the opposite action occurs (ie, changes from…
Hydrostatic Pressure Test for Fabric
The hydrostatic pressure resistance index is one of the most important indicators of waterproof and breathable fabrics. Hydrostatic pressure refers to the resistance water encounters as it passes through fabric.…
Fabric Shrinkage Test Procedure
Fabric dimensional stability refers to the shortening or elongation of fabric length during wearing, washing, storage, etc. Among them, shrinkage is one of the most concerning phenomena. The shrinkage of…
Moisture Regain in Textile
The moisture regain of textile materials when they reach equilibrium under standard atmosphere is called standard moisture regain. The actual moisture regain of each fiber and its products varies with…
Yarn count system and test methods
Yarn count introduction What is yarn count? Yarn count is a number which indicates the mass per unit length or the length per unit mass of yarn. Classification Generally, there…