Ascolite TF-Yarn


Ascolite® TF (thermofusion) yarn is specially designed for button-shank wrapping with securing effect. It’s unique elastomeric gripping force and the heat sealing are the keys to button loss prevention as our yard permanently squeezes the attaching thread and holds them fast.

250 Meter Cones



Ascolite® TF-Yarn has been specially developed for button shank wrapping. TF-yarn has the following advantages compared to normal sewing yarn: Elastic core The elastic core of the yarn allows such a tight wrapping under Tension, that the main sewing threads are clamped together and cannot get loose again. Thermo-fusible outer layer: The thermo-fusible layer bonds the wrapping threads together and does not leave loose ends. Fastness Ascolite® TF yarn has been tested several times by internationally recognized institutes (Hohenstein Institut, SGS, Underwriters Laboratories, etc.) and is certified according to Oeko-Tex Standard 100, REACH Standards and M&S-Quality standards. Ascolite® is ecologically safe; free from toxic substances, resisting to light, ironing, rubbing and washing proof up to at least 60 ° C as well as resistant to chemical cleaning, even surviving tunnel finisher up to 140 ° C. Ascolite® stands for the finest quality of button shank wrapping. A button secured with Ascolite® TF or SF remains tight and impeccable even after years of wearing and washing. Unsolvable thanks to heat-setting. Strong thermo-fusible layer

  • Bonds the wrapped TF-Yarn together
  • Eliminates loose ends and tails
  • Prevents button loss for the lifetime of the garment

Coloured component

  • Washing and dry cleaning proof certified
  • 64 colors

Flexible Elasthane core

  • 250 meters per cone
  • Up to 450 % elasticity
  • Resistant to washing fatigue
  • High gripping force
  • High tenacity and tensile strength
  • Wraps up to 9000 buttons
  • Spooled on FSC certified & recycled paper cones

Certified according to

  • Oekotex Class I for baby wear
  • REACH, SVHC, AZO-free etc.

Additional information

Weight 1 lbs

Black, White, Navy, Grey, Dk. Brown