Facts About Isacord Thread

General Isacord Thread Facts

  • Isacord ThreadIsacord is colorfast to detergent, chlorine, and light.
  • Isacord has twice the strength of rayon thread.
  • Isacord has superior abrasion resistance both when dry and when wet, which keeps embroidery looking new.
  • Isacord is engineered from the finest raw materials. It has just the right amount of elasticity to embroider without looping or puckering while virtually eliminating thread breaks.
  • Isacord thread colors are created using tiny increments of dye that are verified by a computer to assure that the dye lots are always true.
  • Isacord thread is never over-dyed. Over-dying means that a manufacturer will dye their “missed” colors to black, which weakens the thread.
  • Isacord thread has more twists than other brands; it unreels smoothly and does not loop.
  • Isacord has a special finishing process that improves performance.
  • Isacord thread is specially certified and approved for embroidery by the apparel industry.

Isacord Sewing Performance

  • Snap bottom cone prevents thread from falling off the spool.
  • There is no need for tension correction for different colors.
  • Isacord is made for both home machines and commercial high-speed machines.


  • Avoid direct sunlight and store in a cool place. (68 F, 60% relative humidity)
  • Dampen embroidery slightly before ironing. Iron from the back side. Use a low heat setting or cover with a press cloth.

Thread Facts

  • Rayon thread is made from cellulose, a natural product from wood.
  • Polyester thread is man-made from oil and is synthetic.
  • Rayon thread is soft and has a high sheen but is weak.
  • Polyester thread has a high tensile strength, is colorfast and has a high sheen.
  • Sewing threads are 3-ply whereas embroidery thread is 2-ply.
  • Rayon thread is dyed and processed at 194 degrees F.
  • Polyester thread is dyed and processed at 275 degrees F.

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