Is Acrylic Yarn Flammable? Discover the Surprising Truth!

Is Acrylic Yarn Flammable?

Acrylic yarn is a popular choice for various knitting and crochet projects due to its affordability, versatility, and wide range of colors. However, whether acrylic yarn is flammable or not is a common concern among crafters. In this article, we will explore the flammability of acrylic yarn and provide you with important safety information.

The Flammability of Acrylic Yarn

Acrylic yarn is flammable, and it can catch fire under certain conditions. Like all synthetic fibers, acrylic yarn is derived from petroleum-based products, making it highly combustible. While acrylic yarn is considered less flammable compared to other fibers like cotton or wool, it can still burn if exposed to an open flame or high heat source.

However, it is important to note that the flame resistance of acrylic yarn can vary depending on the specific brand, blend, and processing methods. Some manufacturers treat their acrylic yarn with flame retardant chemicals, making them less likely to catch fire or melt.

Measuring the Flammability of Acrylic Yarn

When evaluating the flammability of textiles, including acrylic yarn, it is essential to consider two key characteristics: ignitability and flame spread.

Ignitability refers to how easily a material can catch fire. In the case of acrylic yarn, it is relatively difficult to ignite compared to natural fibers like cotton or wool. This means that acrylic yarn requires a higher temperature or exposure to a direct flame for it to catch fire.

Flame spread refers to how quickly a burning material can spread the flame across its surface. Acrylic yarn typically has a slow flame spread, which means that even if it does catch fire, it is less likely to cause a rapid and uncontrollable spread of flames.

It’s important to consider that the flammability of acrylic yarn can also be influenced by factors such as the thickness of the yarn, the presence of additional chemicals or treatments, and the surrounding environment.

Is Acrylic Yarn Flammable? Discover the Surprising Truth!


Safe Practices for Using Acrylic Yarn

While acrylic yarn may be less flammable compared to other fibers, it is still crucial to follow safety guidelines to minimize the risk of accidents or fire. Here are some safe practices to keep in mind when using acrylic yarn:

  • Avoid exposure to open flames: Do not bring acrylic yarn near candles, stoves, or any open flame sources.
  • Keep away from high heat sources: Be cautious when working with acrylic yarn near heaters, radiators, or other heat-emitting appliances.
  • Store properly: When not in use, store acrylic yarn in a cool, dry place away from potential fire hazards.
  • Choose flame-retardant options: Look for acrylic yarn that has been treated with flame retardant chemicals for added safety.
  • Never leave unattended: Do not leave projects made with acrylic yarn unattended near sources of heat or potential fire hazards.
  • Be cautious while ironing: If ironing your acrylic yarn project, use low heat settings and avoid direct contact with the iron to prevent melting or scorching.
Is Acrylic Yarn Flammable? Discover the Surprising Truth!


Frequently Asked Questions Of Is Acrylic Yarn Flammable? Discover The Surprising Truth!

Is Acrylic Yarn Flammable?

Acrylic yarn is highly flammable, so it is important to keep it away from open flames, sparks, and heat sources.

How Can I Make Acrylic Yarn Less Flammable?

To make acrylic yarn less flammable, you can apply a flame retardant spray or soak it in a flame retardant solution before use.

Can Acrylic Yarn Catch Fire Easily?

Yes, acrylic yarn can catch fire easily, so it is crucial to exercise caution and avoid exposing it to fire or heat sources.

Are There Any Precautions To Take While Using Acrylic Yarn?

When using acrylic yarn, remember to avoid smoking near it, keep it away from lit candles, and never leave it unattended near heat sources.


While acrylic yarn is indeed flammable, it is important to approach it with caution and follow safe practices. Always consider the brand, blend, and processing methods of the acrylic yarn you are using, as some may offer better flame resistance due to flame retardant treatments.

By understanding the flammability characteristics of acrylic yarn and implementing proper safety measures, you can enjoy your knitting and crochet projects while minimizing the risk of accidents or fire hazards.

Updated: January 3, 2024 — 3:15 pm