Detailed Notes on double covered yarn
A: Two primary types of yarns are spun and filament yarn. The appearance, construction, and performance of these two varieties of yarns are vastly various.荷札タグ用カラー丸ゴムは極太のポリウレタン弾性糸を芯にして、先染めのポリエステルのウーリー糸を二重に巻いたカラーゴム紐です。A: Single