See How Cheap Thread Can Gum Up Your ... - The Spruce
2019-10-28u2002·u2002Few Loose and Stray Fibers . Mettler's Silk Finish 100% mercerized cotton: There were very few loose fibers. Coats And Clark 100% cotton thread: This one was almost completely smooth under the microscope, a tightly-wound thread without stray fibers. Guttermann 100% polyester thread: This is one of the more expensive threads on the market and has far fewer loose fibers than the bargain brands.
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