What temperature should I use when ironing linen interlining?

Sep 12, 2025

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When it comes to ironing linen interlining, determining the right temperature is crucial. As a seasoned supplier of high - quality linen interlining, I've encountered numerous inquiries regarding the ideal ironing temperature. In this blog, I'll share in - depth knowledge on this topic, backed by industry experience and scientific understanding.

Understanding Linen Interlining

Before delving into the ironing temperature, it's essential to understand what linen interlining is. Linen interlining is a fabric used in the garment industry to add structure, shape, and stability to clothing. It is commonly used in various types of garments, including jackets, dresses, and shirts. You can explore different types of interlining fabrics on our website, such as Interlining Fabric, Jacket Interlining, and Dress Interlining.

Linen, the base material of linen interlining, is a natural fiber made from the flax plant. It is known for its strength, breathability, and absorbency. However, these properties also mean that linen has specific requirements when it comes to ironing.

Factors Affecting Ironing Temperature

Several factors influence the appropriate ironing temperature for linen interlining:

1. Linen Blend

Pure linen interlining has different ironing requirements compared to linen blends. Linen blends often incorporate other fibers such as cotton, polyester, or rayon. These additional fibers can affect the heat tolerance of the interlining. For example, if the linen interlining is blended with polyester, it may have a lower melting point than pure linen, and thus require a lower ironing temperature to avoid damage.

2. Thickness of the Interlining

Thicker linen interlining generally requires a higher ironing temperature to ensure that the heat penetrates through the fabric layers and sets the fibers properly. Thinner interlining, on the other hand, can be ironed at a lower temperature to prevent scorching.

3. Type of Garment

The type of garment the interlining is used in also matters. For instance, a heavy - duty jacket interlining may need a higher temperature to maintain its shape and stiffness, while a delicate dress interlining may require a more gentle approach.

Recommended Ironing Temperatures

Based on my experience as a linen interlining supplier, here are some general guidelines for ironing temperatures:

Pure Linen Interlining

  • Low - moisture or dry ironing: For pure linen interlining, when using a dry iron, a temperature between 180°C - 200°C (356°F - 392°F) is recommended. This temperature range allows the iron to smooth out the wrinkles without causing damage to the linen fibers.
  • Steam ironing: When using a steam iron, a slightly lower temperature of around 160°C - 180°C (320°F - 356°F) can be used. The steam helps to relax the linen fibers, making it easier to iron at a lower heat.

Linen - Cotton Blend Interlining

  • A blend of approximately 50% linen and 50% cotton can be ironed at a temperature between 150°C - 170°C (302°F - 338°F). The cotton component reduces the heat tolerance slightly compared to pure linen.

Linen - Polyester Blend Interlining

  • Since polyester has a lower melting point, a linen - polyester blend interlining should be ironed at a temperature no higher than 130°C - 150°C (266°F - 302°F). This helps to prevent the polyester fibers from melting or deforming.

Ironing Techniques

In addition to setting the right temperature, using the correct ironing techniques is also important:

1. Pre - test

Before ironing the entire piece of linen interlining, it's advisable to test a small, inconspicuous area. This allows you to check if the temperature is appropriate and if the interlining reacts well to the ironing process.

2. Use a Press Cloth

A press cloth, such as a thin cotton fabric, can be placed between the iron and the linen interlining. This acts as a barrier, protecting the interlining from direct heat and reducing the risk of scorching.

Interlining FabricJacket Interlining

3. Iron in the Right Direction

Always iron in the direction of the grain of the linen interlining. This helps to maintain the integrity of the fabric and ensures a smooth finish.

4. Don't Over - Iron

Avoid excessive ironing or leaving the iron in one place for too long. This can cause uneven heating and damage to the interlining.

Importance of Correct Ironing

Using the correct ironing temperature and techniques is not just about aesthetics. It also has a significant impact on the performance and longevity of the linen interlining. Proper ironing helps to:

1. Maintain Shape and Structure

Correct ironing ensures that the interlining retains its shape and provides the necessary support to the garment. This is especially important for jackets and other structured garments.

2. Enhance Durability

By avoiding over - heating and damage during ironing, the linen interlining can last longer, reducing the need for frequent replacements.

3. Improve Comfort

Well - ironed interlining contributes to the overall comfort of the garment. It allows the fabric to drape smoothly and reduces any stiffness or roughness.

Conclusion

Determining the right ironing temperature for linen interlining is a balance between achieving a smooth finish and protecting the integrity of the fabric. By considering factors such as the linen blend, thickness, and type of garment, and following the recommended temperature guidelines and ironing techniques, you can ensure that your linen interlining looks and performs its best.

If you're in the market for high - quality linen interlining, I invite you to reach out to us. We offer a wide range of linen interlining products suitable for various applications. Whether you're a garment manufacturer, a tailor, or a DIY enthusiast, we have the right interlining for your needs. Contact us to discuss your requirements and start a fruitful partnership.

References

  • Textile Institute. "Textile Science and Technology: Volume 4 - Dyeing." Woodhead Publishing, 2008.
  • American Association of Textile Chemists and Colorists. "AATCC Technical Manual." AATCC, annual.
  • International Organization for Standardization. "ISO Standards for Textiles." ISO, updated regularly.