How does acrylic fabric compare to polyester in outdoor sofa mold growth?

When choosing fabric for outdoor sofas, resistance to mold growth is a critical factor. Acrylic fabric and polyester are two popular options, but they differ significantly in their ability to resist mold.

Acrylic fabric is naturally mold-resistant due to its synthetic fibers, which repel moisture and inhibit fungal growth. It is also UV-resistant, making it durable for outdoor use. However, if not properly maintained, dirt and debris can trap moisture, potentially leading to mold over time.

Polyester, while also synthetic, is less breathable than acrylic and can retain moisture, creating a more favorable environment for mold. However, many polyester fabrics are treated with antimicrobial coatings to enhance mold resistance.

For optimal performance, acrylic is generally the better choice for mold resistance, but regular cleaning and proper storage during wet seasons are essential for both fabrics to prevent mold growth.