But because the filaments are so thin (only half the thickness of a human hair), they can easily break at the yarn spinning stage, and at the dyeing stage the yarn absorbs only the smallest dye molecules. Hence firms around the world are still feeling their way forward on how to use this fiber.
只是它太細（約比頭髮細一倍），在紡紗階段極易斷裂、在染色階段又只有極小的染料分子才滲得進去，因此到底要怎樣運用，全世界都還在摸索中。