How can buyers differentiate between low-grade and premium synthetic fibers?
What tests (burn, tensile, friction, luster) should I use during inspection? I’ve sourced, tested, and rejected more synthetic fibers than I care to admit—across wigs, braids, and wefted extensions as well as synthetic linings and trims used inside wig caps. In my experience, what burns brands and procurement teams isn’t just poor fiber—it’s unclear acceptance […]