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Reflection and Luster

When light falls on the fiber, part of light is reflected. The luster of a single fiber is determined by the total visual appearance of these reflections from the fiber surface. It is directly proportional to the amount of light reflected by a fiber. Silk fibers has a high luster and cotton has low luster.

Mastering Waterproof Performance: A Deep Dive into Fabric Waterproof Testers and Hydrostatic Pressure Testers