How To Tell If Sewing Thread Is Old

How To Tell If Sewing Thread Is Old

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Different colors of sewing threads

When you love to sew, having a reliable sewing thread ‍is ⁢crucial for successful ⁢stitching. ​Over time, sewing threads can ⁤deteriorate, reducing the overall quality of ‍your projects. It is ⁢important to identify whether⁣ your sewing thread is old to avoid any potential issues.

Signs ‌of Aging in Sewing Threads

Here are⁤ some signs that indicate your sewing thread might be old:

  • Fraying ⁢and excessive lint buildup: If the thread shows signs ⁣of fraying‍ or produces excessive lint during use, ⁢it is likely‍ old. Old threads ⁣tend to lose their strength and break easily.
  • Discoloration: Over⁢ time, thread colors may fade,‍ darken, or become yellowish. Discoloration can indicate degradation of the thread’s fibers.
  • Tangled⁣ or twisted thread: If the thread becomes more tangled or twisted than usual while sewing, it could be due to weakened fibers.
  • Unraveling spools: If the thread⁢ unwinds from the spool⁣ without any tension ‌or excessive pulling, it might be a sign of age⁤ and reduced elasticity.

If you notice one or more of these characteristics in your thread, it is advisable to replace it⁤ before starting any important sewing projects.

Prolonging the Life of Sewing Threads

While ⁣sewing threads do have a‍ shelf⁤ life, you can take certain measures to extend their lifespan:

  • Proper storage: Keep your threads in⁣ a cool, dark, and dry place away from direct⁣ sunlight. Direct​ exposure to UV rays can accelerate thread⁤ deterioration.
  • Avoid humidity: Moisture can cause⁣ threads to weaken and become brittle. Make sure to store your threads in an environment⁢ with‍ low humidity.
  • Replace damaged spools: If the ⁣spool becomes cracked or damaged, transfer the ​thread to a new spool or ⁤bobbin to⁣ prevent further ​deterioration.

By following these simple⁣ guidelines, you‌ can prolong the life of ​your ⁣sewing threads, ensuring your projects are completed with the best possible ‌results.


Recognizing the signs of aging ⁢in ‍sewing ⁣threads is ⁤essential for maintaining the quality of your ⁢sewing projects. Be mindful ‌of⁢ fraying, ⁣excessive lint, discoloration, and other indications mentioned above. Remember to store ‍your‍ threads properly and replace damaged spools to extend⁢ their lifespan. By doing so, you can enjoy ⁣seamless and successful sewing experiences for years to come!

3 thoughts on “How To Tell If Sewing Thread Is Old

  1. This sounds like a great post!

    Susan Novak: Good to know!
    This is a helpful post that every sewer should know – aging thread may affect the quality of your finished products, so it’s important to check regularly for signs of old thread.

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