Definition
Fiber lubrication refers to the application of a lubricant — also called a fiber finish, spinning lubricant, or avivage — to textile fibers or yarns in order to improve their processability. The lubricant is a fatty or oil-based preparation that softens the fibers, reduces friction between the fibers and machine components, and protects the fibers from mechanical damage. The process is typically carried out before spinning, weaving, or knitting. After processing, the lubricant is removed by washing or thermal treatment.
Use in the textile industry
Fiber lubrication is used primarily in spinning mills and weaving operations to prepare fibers such as wool, man-made fibers, or bast fibers for mechanical processing. The lubricant reduces fiber-to-fiber and fiber-to-metal friction, prevents electrostatic buildup, and promotes fiber cohesion, thereby reducing yarn breaks and quality losses during production. The application rate and formulation of the lubricant are adjusted according to fiber type, machine type, and the subsequent processing step.
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