Fabric Science How to tell if fabric is nylon or polyester? March 7, 2026 by pups | Leave a Comment Determining whether a fabric is nylon or polyester can be tricky, as they share many similar properties. The key differences lie in their origin, feel, performance characteristics, and how they react to heat and chemicals. By examining these aspects, you can confidently distinguish between these two popular synthetic fibers. Nylon vs. Polyester: Unraveling the Differences […] Read more »